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Finding the Fourth Proportional to 8,000.85, 11,040.96 and 4,463.97

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Solution

The fourth proportional to 8,000.85, 11,040.96 and 4,463.97 is: 6,160.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,000.85 : 11,040.96 = 4,463.97 : x
  2. Step 2: Convert to fraction form
    8,000.85/11,040.96 = 4,463.97/x
  3. Step 3: Cross multiply
    8,000.85x = 11,040.96 × 4,463.97
  4. Step 4: Simplify right side
    8,000.85x = 49,286,514.21
  5. Step 5: Solve for x
    x = 49,286,514.21/8,000.85
  6. Step 6: Final answer
    x = 6,160.16

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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.