Home / 4,850.20-7,275.30-4,331.80

Finding the Fourth Proportional to 4,850.20, 7,275.30 and 4,331.80

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Solution

The fourth proportional to 4,850.20, 7,275.30 and 4,331.80 is: 6,497.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,850.20 : 7,275.30 = 4,331.80 : x
  2. Step 2: Convert to fraction form
    4,850.20/7,275.30 = 4,331.80/x
  3. Step 3: Cross multiply
    4,850.20x = 7,275.30 × 4,331.80
  4. Step 4: Simplify right side
    4,850.20x = 31,515,144.54
  5. Step 5: Solve for x
    x = 31,515,144.54/4,850.20
  6. Step 6: Final answer
    x = 6,497.70

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.