Rule of Proportion

Q.

Find the value of $x$ in proportion 1.2 : 3.9 :: 2 : $x$

1. 5.6

2. 2.34

3. 6.5

4. 5.8

Q.

Are the following in proportion?

$25,30,40,48$ .

Q.

If 4, x, x and 49 are in proportion, find the value of x.

1. 14

2. 7

3. 21

4. 35

Q.

A ______________ is a statement that shows two ratios are equal.

Q.

Check whether the given terms $12,16,6,8$ are in proportion.

Q.

Find the value of $x$, if the following is in proportion: $8,x,9and36$.

Q.

Find the value of $p$, if $p,6and9$ are in continued proportion.

Q.

Find the value of $x$ if $7,x,9,72$are in proportion.

Q.

Determine if the ratios are in proportion

$20cm:4m::40cm:8m$

Q.

If $x,y,a,b$ are in proportion , then

1. $xy=ab$

2. $xb=ay$

3. $ax=by$

4. $\frac{x}{y}=\frac{b}{a}$

Q.

what is the value of x when $\frac{6}{7}:x::\frac{2}{3}:4?$

1. $\frac{46}{7}$

2. $\frac{36}{7}$

3. $\frac{87}{7}$

4. 36

Q.

Determine the following are in proportion:

$44,121,16,44$

Q.

If $7,14,x$ and $12$ are in proportion, then $x=\_\_\_\_$ $\left[x=6/x=24\right]$

Q.

Check whether the following quantities form a proportion or not:

6, 18, 2, 8

Q.

Is the proportion $\frac{4}{5}=\frac{16}{20}$ true?

Q.

Check whether the given pairs are in proportion or not $3,4,6,9$ ?

Q.

Find the fourth proportion in each of the following:

$16,48,27$

Q.

which one of the following is true about the representation 2:3 :: 4: 6 ?

1. It is a ratio

2. It is not a proportion

3. Product of means= product of extremes

4. Product of means is not equal to product of extremes

Q.

Find the value of $x$, if the following is in proportion: $x,4,6and8$.

Q. Which of the following numbers are in proportion?

1. 2, 3, 4, 5
2. 4, 5, 12, 15
3. 3, 1, 9, 1
4. 3, 4, 6, 4

Q. $a$, $\frac{1}{b}$, $c$ and $\frac{1}{d}$ are in proportion. Then,

1. a×1d=1b×c
2. a×1b=c×1d
3. ab=c×1d
4. a×1d=b×1c

Q.

In direct proportion $\_\_\_\_\_\_\_\_$

Q. Find which of the following are in proportion?
(i) $33,44,66,88$
(ii) $46,69,69,46$

Q.

Check whether the given numbers are in proportion?

$\frac{3}{11},\frac{15}{200}$

Q.

If first , second and fourth terms of a proportion are $\frac{1}{2},\frac{1}{3}$ and $\frac{1}{6}$ respectively, find its third term.

Q.

Solve the following problems using the method of proportion.

Twenty oranges can be packed in $4boxes$. How many oranges can be packed in $18boxes$?

Q.

Check whether the following quantities form a proportion or not:
6, 12, 8, 16

Q.

Check whether the following quantities form a proportion or not:
5, 25, 16, 80