Home / 8,267.96-12,403.82-2,721.87

Finding the Fourth Proportional to 8,267.96, 12,403.82 and 2,721.87

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Solution

The fourth proportional to 8,267.96, 12,403.82 and 2,721.87 is: 4,083.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,267.96 : 12,403.82 = 2,721.87 : x
  2. Step 2: Convert to fraction form
    8,267.96/12,403.82 = 2,721.87/x
  3. Step 3: Cross multiply
    8,267.96x = 12,403.82 × 2,721.87
  4. Step 4: Simplify right side
    8,267.96x = 33,761,592.35
  5. Step 5: Solve for x
    x = 33,761,592.35/8,267.96
  6. Step 6: Final answer
    x = 4,083.42

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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.