Home / 4,760.20-7,140.30-4,249.90

Finding the Fourth Proportional to 4,760.20, 7,140.30 and 4,249.90

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Solution

The fourth proportional to 4,760.20, 7,140.30 and 4,249.90 is: 6,374.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,760.20 : 7,140.30 = 4,249.90 : x
  2. Step 2: Convert to fraction form
    4,760.20/7,140.30 = 4,249.90/x
  3. Step 3: Cross multiply
    4,760.20x = 7,140.30 × 4,249.90
  4. Step 4: Simplify right side
    4,760.20x = 30,345,560.97
  5. Step 5: Solve for x
    x = 30,345,560.97/4,760.20
  6. Step 6: Final answer
    x = 6,374.85

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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.