Home / 5,712.56-7,882.60-3,194.60

Finding the Fourth Proportional to 5,712.56, 7,882.60 and 3,194.60

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Solution

The fourth proportional to 5,712.56, 7,882.60 and 3,194.60 is: 4,408.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,712.56 : 7,882.60 = 3,194.60 : x
  2. Step 2: Convert to fraction form
    5,712.56/7,882.60 = 3,194.60/x
  3. Step 3: Cross multiply
    5,712.56x = 7,882.60 × 3,194.60
  4. Step 4: Simplify right side
    5,712.56x = 25,181,753.96
  5. Step 5: Solve for x
    x = 25,181,753.96/5,712.56
  6. Step 6: Final answer
    x = 4,408.14

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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.