Home / 9,129.32-12,598.47-4,937.57

Finding the Fourth Proportional to 9,129.32, 12,598.47 and 4,937.57

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Solution

The fourth proportional to 9,129.32, 12,598.47 and 4,937.57 is: 6,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,129.32 : 12,598.47 = 4,937.57 : x
  2. Step 2: Convert to fraction form
    9,129.32/12,598.47 = 4,937.57/x
  3. Step 3: Cross multiply
    9,129.32x = 12,598.47 × 4,937.57
  4. Step 4: Simplify right side
    9,129.32x = 62,205,827.52
  5. Step 5: Solve for x
    x = 62,205,827.52/9,129.32
  6. Step 6: Final answer
    x = 6,813.85

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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.