Home / 8,861.28-12,224.88-6,732.96

Finding the Fourth Proportional to 8,861.28, 12,224.88 and 6,732.96

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Solution

The fourth proportional to 8,861.28, 12,224.88 and 6,732.96 is: 9,288.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.28 : 12,224.88 = 6,732.96 : x
  2. Step 2: Convert to fraction form
    8,861.28/12,224.88 = 6,732.96/x
  3. Step 3: Cross multiply
    8,861.28x = 12,224.88 × 6,732.96
  4. Step 4: Simplify right side
    8,861.28x = 82,309,628.04
  5. Step 5: Solve for x
    x = 82,309,628.04/8,861.28
  6. Step 6: Final answer
    x = 9,288.68

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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.