Home / 9,129.28-12,598.40-4,937.52

Finding the Fourth Proportional to 9,129.28, 12,598.40 and 4,937.52

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Solution

The fourth proportional to 9,129.28, 12,598.40 and 4,937.52 is: 6,813.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.28 : 12,598.40 = 4,937.52 : x
  2. Step 2: Convert to fraction form
    9,129.28/12,598.40 = 4,937.52/x
  3. Step 3: Cross multiply
    9,129.28x = 12,598.40 × 4,937.52
  4. Step 4: Simplify right side
    9,129.28x = 62,204,851.97
  5. Step 5: Solve for x
    x = 62,204,851.97/9,129.28
  6. Step 6: Final answer
    x = 6,813.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.