Home / 4,987.56-7,481.34-3,892.85

Finding the Fourth Proportional to 4,987.56, 7,481.34 and 3,892.85

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Solution

The fourth proportional to 4,987.56, 7,481.34 and 3,892.85 is: 5,839.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,987.56 : 7,481.34 = 3,892.85 : x
  2. Step 2: Convert to fraction form
    4,987.56/7,481.34 = 3,892.85/x
  3. Step 3: Cross multiply
    4,987.56x = 7,481.34 × 3,892.85
  4. Step 4: Simplify right side
    4,987.56x = 29,123,697.01
  5. Step 5: Solve for x
    x = 29,123,697.01/4,987.56
  6. Step 6: Final answer
    x = 5,839.27

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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.