Home / 8,087.26-12,129.50-2,243.88

Finding the Fourth Proportional to 8,087.26, 12,129.50 and 2,243.88

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Solution

The fourth proportional to 8,087.26, 12,129.50 and 2,243.88 is: 3,365.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,087.26 : 12,129.50 = 2,243.88 : x
  2. Step 2: Convert to fraction form
    8,087.26/12,129.50 = 2,243.88/x
  3. Step 3: Cross multiply
    8,087.26x = 12,129.50 × 2,243.88
  4. Step 4: Simplify right side
    8,087.26x = 27,217,142.46
  5. Step 5: Solve for x
    x = 27,217,142.46/8,087.26
  6. Step 6: Final answer
    x = 3,365.43

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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.