Home / 8,008.20-11,996.10-4,114.80

Finding the Fourth Proportional to 8,008.20, 11,996.10 and 4,114.80

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Solution

The fourth proportional to 8,008.20, 11,996.10 and 4,114.80 is: 6,163.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,008.20 : 11,996.10 = 4,114.80 : x
  2. Step 2: Convert to fraction form
    8,008.20/11,996.10 = 4,114.80/x
  3. Step 3: Cross multiply
    8,008.20x = 11,996.10 × 4,114.80
  4. Step 4: Simplify right side
    8,008.20x = 49,361,552.28
  5. Step 5: Solve for x
    x = 49,361,552.28/8,008.20
  6. Step 6: Final answer
    x = 6,163.88

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1.5x scale

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.