Home / 8,066.90-11,132.02-4,481.79

Finding the Fourth Proportional to 8,066.90, 11,132.02 and 4,481.79

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Solution

The fourth proportional to 8,066.90, 11,132.02 and 4,481.79 is: 6,184.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,066.90 : 11,132.02 = 4,481.79 : x
  2. Step 2: Convert to fraction form
    8,066.90/11,132.02 = 4,481.79/x
  3. Step 3: Cross multiply
    8,066.90x = 11,132.02 × 4,481.79
  4. Step 4: Simplify right side
    8,066.90x = 49,891,375.92
  5. Step 5: Solve for x
    x = 49,891,375.92/8,066.90
  6. Step 6: Final answer
    x = 6,184.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.