Home / 5,129.45-7,694.17-2,936.66

Finding the Fourth Proportional to 5,129.45, 7,694.17 and 2,936.66

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Solution

The fourth proportional to 5,129.45, 7,694.17 and 2,936.66 is: 4,404.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,129.45 : 7,694.17 = 2,936.66 : x
  2. Step 2: Convert to fraction form
    5,129.45/7,694.17 = 2,936.66/x
  3. Step 3: Cross multiply
    5,129.45x = 7,694.17 × 2,936.66
  4. Step 4: Simplify right side
    5,129.45x = 22,595,115.46
  5. Step 5: Solve for x
    x = 22,595,115.46/5,129.45
  6. Step 6: Final answer
    x = 4,404.98

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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.