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Finding the Fourth Proportional to 8,003.08, 12,000.12 and 5,507.20

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Solution

The fourth proportional to 8,003.08, 12,000.12 and 5,507.20 is: 8,257.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,003.08 : 12,000.12 = 5,507.20 : x
  2. Step 2: Convert to fraction form
    8,003.08/12,000.12 = 5,507.20/x
  3. Step 3: Cross multiply
    8,003.08x = 12,000.12 × 5,507.20
  4. Step 4: Simplify right side
    8,003.08x = 66,087,060.86
  5. Step 5: Solve for x
    x = 66,087,060.86/8,003.08
  6. Step 6: Final answer
    x = 8,257.70

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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.