Home / 4,252.47-6,379.72-1,331.00

Finding the Fourth Proportional to 4,252.47, 6,379.72 and 1,331.00

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Solution

The fourth proportional to 4,252.47, 6,379.72 and 1,331.00 is: 1,996.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,252.47 : 6,379.72 = 1,331.00 : x
  2. Step 2: Convert to fraction form
    4,252.47/6,379.72 = 1,331.00/x
  3. Step 3: Cross multiply
    4,252.47x = 6,379.72 × 1,331.00
  4. Step 4: Simplify right side
    4,252.47x = 8,491,419.94
  5. Step 5: Solve for x
    x = 8,491,419.94/4,252.47
  6. Step 6: Final answer
    x = 1,996.82

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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.