Home / 4,729.59-7,086.11-2,876.78

Finding the Fourth Proportional to 4,729.59, 7,086.11 and 2,876.78

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Solution

The fourth proportional to 4,729.59, 7,086.11 and 2,876.78 is: 4,310.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,729.59 : 7,086.11 = 2,876.78 : x
  2. Step 2: Convert to fraction form
    4,729.59/7,086.11 = 2,876.78/x
  3. Step 3: Cross multiply
    4,729.59x = 7,086.11 × 2,876.78
  4. Step 4: Simplify right side
    4,729.59x = 20,385,129.71
  5. Step 5: Solve for x
    x = 20,385,129.71/4,729.59
  6. Step 6: Final answer
    x = 4,310.13

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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.