Home / 8,186.50-12,280.56-3,255.04

Finding the Fourth Proportional to 8,186.50, 12,280.56 and 3,255.04

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Solution

The fourth proportional to 8,186.50, 12,280.56 and 3,255.04 is: 4,882.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,186.50 : 12,280.56 = 3,255.04 : x
  2. Step 2: Convert to fraction form
    8,186.50/12,280.56 = 3,255.04/x
  3. Step 3: Cross multiply
    8,186.50x = 12,280.56 × 3,255.04
  4. Step 4: Simplify right side
    8,186.50x = 39,973,714.02
  5. Step 5: Solve for x
    x = 39,973,714.02/8,186.50
  6. Step 6: Final answer
    x = 4,882.88

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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.