Home / 8,839.50-12,195.45-5,481.10

Finding the Fourth Proportional to 8,839.50, 12,195.45 and 5,481.10

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Solution

The fourth proportional to 8,839.50, 12,195.45 and 5,481.10 is: 7,562.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,839.50 : 12,195.45 = 5,481.10 : x
  2. Step 2: Convert to fraction form
    8,839.50/12,195.45 = 5,481.10/x
  3. Step 3: Cross multiply
    8,839.50x = 12,195.45 × 5,481.10
  4. Step 4: Simplify right side
    8,839.50x = 66,844,481.00
  5. Step 5: Solve for x
    x = 66,844,481.00/8,839.50
  6. Step 6: Final answer
    x = 7,562.02

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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.