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Finding the Fourth Proportional to 8,932.92, 12,299.35 and 7,585.69

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Solution

The fourth proportional to 8,932.92, 12,299.35 and 7,585.69 is: 10,444.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,932.92 : 12,299.35 = 7,585.69 : x
  2. Step 2: Convert to fraction form
    8,932.92/12,299.35 = 7,585.69/x
  3. Step 3: Cross multiply
    8,932.92x = 12,299.35 × 7,585.69
  4. Step 4: Simplify right side
    8,932.92x = 93,299,056.30
  5. Step 5: Solve for x
    x = 93,299,056.30/8,932.92
  6. Step 6: Final answer
    x = 10,444.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.