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Finding the Fourth Proportional to 9,037.13, 12,470.85 and 4,948.91

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Solution

The fourth proportional to 9,037.13, 12,470.85 and 4,948.91 is: 6,829.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,037.13 : 12,470.85 = 4,948.91 : x
  2. Step 2: Convert to fraction form
    9,037.13/12,470.85 = 4,948.91/x
  3. Step 3: Cross multiply
    9,037.13x = 12,470.85 × 4,948.91
  4. Step 4: Simplify right side
    9,037.13x = 61,717,114.27
  5. Step 5: Solve for x
    x = 61,717,114.27/9,037.13
  6. Step 6: Final answer
    x = 6,829.28

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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.