Solving Proportions with Variables

Find the value of n in the proportion 4/7 = n/28.

• n = 20

• n = 16

• n = 24

• n = 12

If 9/10 = n/45, what is the value of n?

• 35.5

• 20.5

• 40.5

• 50.5

What is the value of n in the proportion 5/6 = n/30?

• 15

• 10

• 25

• 20

If 2/3 = n/9, what is the value of n?

• 6

• 4

• 3

• 8

Solve for w

• 3.3

• 5.6

• 5.1

• 7.3

Solve for x. Round to the nearest tenth.

Solve for b

• 3.33

• -3.33

• 13.33

• -13.33

Solve for n

• 25

• 1/25

• 2

• 5

Solve for a

• 8.5

• -3.1

• 8.9

• 14.6

• x = 3
• x = -3
• x = 1
• x = -1