Home / 8,760.12-13,142.88-3,061.66

Finding the Fourth Proportional to 8,760.12, 13,142.88 and 3,061.66

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Solution

The fourth proportional to 8,760.12, 13,142.88 and 3,061.66 is: 4,593.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,760.12 : 13,142.88 = 3,061.66 : x
  2. Step 2: Convert to fraction form
    8,760.12/13,142.88 = 3,061.66/x
  3. Step 3: Cross multiply
    8,760.12x = 13,142.88 × 3,061.66
  4. Step 4: Simplify right side
    8,760.12x = 40,239,029.98
  5. Step 5: Solve for x
    x = 40,239,029.98/8,760.12
  6. Step 6: Final answer
    x = 4,593.43

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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.