Home / 7,488.30-11,232.45-4,877.10

Finding the Fourth Proportional to 7,488.30, 11,232.45 and 4,877.10

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Solution

The fourth proportional to 7,488.30, 11,232.45 and 4,877.10 is: 7,315.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,488.30 : 11,232.45 = 4,877.10 : x
  2. Step 2: Convert to fraction form
    7,488.30/11,232.45 = 4,877.10/x
  3. Step 3: Cross multiply
    7,488.30x = 11,232.45 × 4,877.10
  4. Step 4: Simplify right side
    7,488.30x = 54,781,781.90
  5. Step 5: Solve for x
    x = 54,781,781.90/7,488.30
  6. Step 6: Final answer
    x = 7,315.65

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Similar ratio
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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.