Home / 8,080.38-12,120.55-2,236.97

Finding the Fourth Proportional to 8,080.38, 12,120.55 and 2,236.97

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Solution

The fourth proportional to 8,080.38, 12,120.55 and 2,236.97 is: 3,355.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,080.38 : 12,120.55 = 2,236.97 : x
  2. Step 2: Convert to fraction form
    8,080.38/12,120.55 = 2,236.97/x
  3. Step 3: Cross multiply
    8,080.38x = 12,120.55 × 2,236.97
  4. Step 4: Simplify right side
    8,080.38x = 27,113,331.44
  5. Step 5: Solve for x
    x = 27,113,331.44/8,080.38
  6. Step 6: Final answer
    x = 3,355.45

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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.