Home / 8,161.61-12,244.56-3,481.88

Finding the Fourth Proportional to 8,161.61, 12,244.56 and 3,481.88

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Solution

The fourth proportional to 8,161.61, 12,244.56 and 3,481.88 is: 5,223.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,161.61 : 12,244.56 = 3,481.88 : x
  2. Step 2: Convert to fraction form
    8,161.61/12,244.56 = 3,481.88/x
  3. Step 3: Cross multiply
    8,161.61x = 12,244.56 × 3,481.88
  4. Step 4: Simplify right side
    8,161.61x = 42,634,027.35
  5. Step 5: Solve for x
    x = 42,634,027.35/8,161.61
  6. Step 6: Final answer
    x = 5,223.73

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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.