Home / 5,234.29-7,854.50-1,949.71

Finding the Fourth Proportional to 5,234.29, 7,854.50 and 1,949.71

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Solution

The fourth proportional to 5,234.29, 7,854.50 and 1,949.71 is: 2,925.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,234.29 : 7,854.50 = 1,949.71 : x
  2. Step 2: Convert to fraction form
    5,234.29/7,854.50 = 1,949.71/x
  3. Step 3: Cross multiply
    5,234.29x = 7,854.50 × 1,949.71
  4. Step 4: Simplify right side
    5,234.29x = 15,313,997.20
  5. Step 5: Solve for x
    x = 15,313,997.20/5,234.29
  6. Step 6: Final answer
    x = 2,925.71

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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.