Home / 7,538.08-11,297.40-3,149.52

Finding the Fourth Proportional to 7,538.08, 11,297.40 and 3,149.52

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Solution

The fourth proportional to 7,538.08, 11,297.40 and 3,149.52 is: 4,720.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,538.08 : 11,297.40 = 3,149.52 : x
  2. Step 2: Convert to fraction form
    7,538.08/11,297.40 = 3,149.52/x
  3. Step 3: Cross multiply
    7,538.08x = 11,297.40 × 3,149.52
  4. Step 4: Simplify right side
    7,538.08x = 35,581,387.25
  5. Step 5: Solve for x
    x = 35,581,387.25/7,538.08
  6. Step 6: Final answer
    x = 4,720.22

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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.