Home / 7,499.39-11,251.13-3,281.88

Finding the Fourth Proportional to 7,499.39, 11,251.13 and 3,281.88

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Solution

The fourth proportional to 7,499.39, 11,251.13 and 3,281.88 is: 4,923.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,499.39 : 11,251.13 = 3,281.88 : x
  2. Step 2: Convert to fraction form
    7,499.39/11,251.13 = 3,281.88/x
  3. Step 3: Cross multiply
    7,499.39x = 11,251.13 × 3,281.88
  4. Step 4: Simplify right side
    7,499.39x = 36,924,827.61
  5. Step 5: Solve for x
    x = 36,924,827.61/7,499.39
  6. Step 6: Final answer
    x = 4,923.71

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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.