Home / 8,861.47-13,290.36-3,927.96

Finding the Fourth Proportional to 8,861.47, 13,290.36 and 3,927.96

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Solution

The fourth proportional to 8,861.47, 13,290.36 and 3,927.96 is: 5,891.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,861.47 : 13,290.36 = 3,927.96 : x
  2. Step 2: Convert to fraction form
    8,861.47/13,290.36 = 3,927.96/x
  3. Step 3: Cross multiply
    8,861.47x = 13,290.36 × 3,927.96
  4. Step 4: Simplify right side
    8,861.47x = 52,204,002.47
  5. Step 5: Solve for x
    x = 52,204,002.47/8,861.47
  6. Step 6: Final answer
    x = 5,891.12

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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.