Home / 8,078.82-12,116.07-3,694.02

Finding the Fourth Proportional to 8,078.82, 12,116.07 and 3,694.02

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Solution

The fourth proportional to 8,078.82, 12,116.07 and 3,694.02 is: 5,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,078.82 : 12,116.07 = 3,694.02 : x
  2. Step 2: Convert to fraction form
    8,078.82/12,116.07 = 3,694.02/x
  3. Step 3: Cross multiply
    8,078.82x = 12,116.07 × 3,694.02
  4. Step 4: Simplify right side
    8,078.82x = 44,757,004.90
  5. Step 5: Solve for x
    x = 44,757,004.90/8,078.82
  6. Step 6: Final answer
    x = 5,540.04

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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.