Home / 8,581.92-12,864.65-2,734.71

Finding the Fourth Proportional to 8,581.92, 12,864.65 and 2,734.71

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Solution

The fourth proportional to 8,581.92, 12,864.65 and 2,734.71 is: 4,099.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.92 : 12,864.65 = 2,734.71 : x
  2. Step 2: Convert to fraction form
    8,581.92/12,864.65 = 2,734.71/x
  3. Step 3: Cross multiply
    8,581.92x = 12,864.65 × 2,734.71
  4. Step 4: Simplify right side
    8,581.92x = 35,181,073.33
  5. Step 5: Solve for x
    x = 35,181,073.33/8,581.92
  6. Step 6: Final answer
    x = 4,099.44

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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.