Home / 5,712.12-7,882.92-3,194.24

Finding the Fourth Proportional to 5,712.12, 7,882.92 and 3,194.24

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Solution

The fourth proportional to 5,712.12, 7,882.92 and 3,194.24 is: 4,408.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.12 : 7,882.92 = 3,194.24 : x
  2. Step 2: Convert to fraction form
    5,712.12/7,882.92 = 3,194.24/x
  3. Step 3: Cross multiply
    5,712.12x = 7,882.92 × 3,194.24
  4. Step 4: Simplify right side
    5,712.12x = 25,179,898.97
  5. Step 5: Solve for x
    x = 25,179,898.97/5,712.12
  6. Step 6: Final answer
    x = 4,408.15

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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.