Home / 4,885.55-7,311.24-3,997.79

Finding the Fourth Proportional to 4,885.55, 7,311.24 and 3,997.79

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Solution

The fourth proportional to 4,885.55, 7,311.24 and 3,997.79 is: 5,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,885.55 : 7,311.24 = 3,997.79 : x
  2. Step 2: Convert to fraction form
    4,885.55/7,311.24 = 3,997.79/x
  3. Step 3: Cross multiply
    4,885.55x = 7,311.24 × 3,997.79
  4. Step 4: Simplify right side
    4,885.55x = 29,228,765.60
  5. Step 5: Solve for x
    x = 29,228,765.60/4,885.55
  6. Step 6: Final answer
    x = 5,982.70

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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.