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Finding the Fourth Proportional to 8,711.01, 13,064.18 and 3,779.49

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Solution

The fourth proportional to 8,711.01, 13,064.18 and 3,779.49 is: 5,668.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,711.01 : 13,064.18 = 3,779.49 : x
  2. Step 2: Convert to fraction form
    8,711.01/13,064.18 = 3,779.49/x
  3. Step 3: Cross multiply
    8,711.01x = 13,064.18 × 3,779.49
  4. Step 4: Simplify right side
    8,711.01x = 49,375,937.67
  5. Step 5: Solve for x
    x = 49,375,937.67/8,711.01
  6. Step 6: Final answer
    x = 5,668.22

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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.