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Finding the Fourth Proportional to 8,581.92, 12,874.67 and 2,960.09

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Solution

The fourth proportional to 8,581.92, 12,874.67 and 2,960.09 is: 4,440.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,581.92 : 12,874.67 = 2,960.09 : x
  2. Step 2: Convert to fraction form
    8,581.92/12,874.67 = 2,960.09/x
  3. Step 3: Cross multiply
    8,581.92x = 12,874.67 × 2,960.09
  4. Step 4: Simplify right side
    8,581.92x = 38,110,181.92
  5. Step 5: Solve for x
    x = 38,110,181.92/8,581.92
  6. Step 6: Final answer
    x = 4,440.75

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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.