Home / 4,253.88-6,379.54-1,331.96

Finding the Fourth Proportional to 4,253.88, 6,379.54 and 1,331.96

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Solution

The fourth proportional to 4,253.88, 6,379.54 and 1,331.96 is: 1,997.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.88 : 6,379.54 = 1,331.96 : x
  2. Step 2: Convert to fraction form
    4,253.88/6,379.54 = 1,331.96/x
  3. Step 3: Cross multiply
    4,253.88x = 6,379.54 × 1,331.96
  4. Step 4: Simplify right side
    4,253.88x = 8,497,292.10
  5. Step 5: Solve for x
    x = 8,497,292.10/4,253.88
  6. Step 6: Final answer
    x = 1,997.54

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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.