Home / 8,283.52-12,429.28-3,665.92

Finding the Fourth Proportional to 8,283.52, 12,429.28 and 3,665.92

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Solution

The fourth proportional to 8,283.52, 12,429.28 and 3,665.92 is: 5,500.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.52 : 12,429.28 = 3,665.92 : x
  2. Step 2: Convert to fraction form
    8,283.52/12,429.28 = 3,665.92/x
  3. Step 3: Cross multiply
    8,283.52x = 12,429.28 × 3,665.92
  4. Step 4: Simplify right side
    8,283.52x = 45,564,746.14
  5. Step 5: Solve for x
    x = 45,564,746.14/8,283.52
  6. Step 6: Final answer
    x = 5,500.65

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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.