Home / 8,949.92-13,429.48-3,688.82

Finding the Fourth Proportional to 8,949.92, 13,429.48 and 3,688.82

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Solution

The fourth proportional to 8,949.92, 13,429.48 and 3,688.82 is: 5,535.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,949.92 : 13,429.48 = 3,688.82 : x
  2. Step 2: Convert to fraction form
    8,949.92/13,429.48 = 3,688.82/x
  3. Step 3: Cross multiply
    8,949.92x = 13,429.48 × 3,688.82
  4. Step 4: Simplify right side
    8,949.92x = 49,538,934.41
  5. Step 5: Solve for x
    x = 49,538,934.41/8,949.92
  6. Step 6: Final answer
    x = 5,535.13

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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.