Home / 8,882.92-13,330.32-3,688.79

Finding the Fourth Proportional to 8,882.92, 13,330.32 and 3,688.79

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Solution

The fourth proportional to 8,882.92, 13,330.32 and 3,688.79 is: 5,535.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,882.92 : 13,330.32 = 3,688.79 : x
  2. Step 2: Convert to fraction form
    8,882.92/13,330.32 = 3,688.79/x
  3. Step 3: Cross multiply
    8,882.92x = 13,330.32 × 3,688.79
  4. Step 4: Simplify right side
    8,882.92x = 49,172,732.67
  5. Step 5: Solve for x
    x = 49,172,732.67/8,882.92
  6. Step 6: Final answer
    x = 5,535.65

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1.5x scale

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.