Home / 7.56-11.35-4

Finding the Fourth Proportional to 7.56, 11.35 and 4

Calculator

Solution

The fourth proportional to 7.56, 11.35 and 4 is: 6.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.56 : 11.35 = 4 : x
  2. Step 2: Convert to fraction form
    7.56/11.35 = 4/x
  3. Step 3: Cross multiply
    7.56x = 11.35 × 4
  4. Step 4: Simplify right side
    7.56x = 45.40
  5. Step 5: Solve for x
    x = 45.40/7.56
  6. Step 6: Final answer
    x = 6.01

Related Problems

Find fourth proportional to 3.78, 5.68 and 2
Half scale
Find fourth proportional to 15.12, 22.70 and 8
Double scale
Find fourth proportional to 8.56, 12.85 and 5
Similar ratio
Find fourth proportional to 11.34, 17.03 and 6
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.