Home / 8,077.97-12,109.62-2,882.63

Finding the Fourth Proportional to 8,077.97, 12,109.62 and 2,882.63

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Solution

The fourth proportional to 8,077.97, 12,109.62 and 2,882.63 is: 4,321.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,077.97 : 12,109.62 = 2,882.63 : x
  2. Step 2: Convert to fraction form
    8,077.97/12,109.62 = 2,882.63/x
  3. Step 3: Cross multiply
    8,077.97x = 12,109.62 × 2,882.63
  4. Step 4: Simplify right side
    8,077.97x = 34,907,553.90
  5. Step 5: Solve for x
    x = 34,907,553.90/8,077.97
  6. Step 6: Final answer
    x = 4,321.33

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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.