Home / 8,221.08-12,343.92-6,572.76

Finding the Fourth Proportional to 8,221.08, 12,343.92 and 6,572.76

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Solution

The fourth proportional to 8,221.08, 12,343.92 and 6,572.76 is: 9,868.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,221.08 : 12,343.92 = 6,572.76 : x
  2. Step 2: Convert to fraction form
    8,221.08/12,343.92 = 6,572.76/x
  3. Step 3: Cross multiply
    8,221.08x = 12,343.92 × 6,572.76
  4. Step 4: Simplify right side
    8,221.08x = 81,133,623.62
  5. Step 5: Solve for x
    x = 81,133,623.62/8,221.08
  6. Step 6: Final answer
    x = 9,868.97

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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.