Home / 4,253.33-6,379.99-1,331.86

Finding the Fourth Proportional to 4,253.33, 6,379.99 and 1,331.86

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Solution

The fourth proportional to 4,253.33, 6,379.99 and 1,331.86 is: 1,997.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.33 : 6,379.99 = 1,331.86 : x
  2. Step 2: Convert to fraction form
    4,253.33/6,379.99 = 1,331.86/x
  3. Step 3: Cross multiply
    4,253.33x = 6,379.99 × 1,331.86
  4. Step 4: Simplify right side
    4,253.33x = 8,497,249.91
  5. Step 5: Solve for x
    x = 8,497,249.91/4,253.33
  6. Step 6: Final answer
    x = 1,997.79

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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.