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Finding the Fourth Proportional to 8,000.91, 12,001.41 and 5,245.02

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Solution

The fourth proportional to 8,000.91, 12,001.41 and 5,245.02 is: 7,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.91 : 12,001.41 = 5,245.02 : x
  2. Step 2: Convert to fraction form
    8,000.91/12,001.41 = 5,245.02/x
  3. Step 3: Cross multiply
    8,000.91x = 12,001.41 × 5,245.02
  4. Step 4: Simplify right side
    8,000.91x = 62,947,635.48
  5. Step 5: Solve for x
    x = 62,947,635.48/8,000.91
  6. Step 6: Final answer
    x = 7,867.56

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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.