Home / 8,327.34-12,481.02-3,879

Finding the Fourth Proportional to 8,327.34, 12,481.02 and 3,879

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Solution

The fourth proportional to 8,327.34, 12,481.02 and 3,879 is: 5,813.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,327.34 : 12,481.02 = 3,879 : x
  2. Step 2: Convert to fraction form
    8,327.34/12,481.02 = 3,879/x
  3. Step 3: Cross multiply
    8,327.34x = 12,481.02 × 3,879
  4. Step 4: Simplify right side
    8,327.34x = 48,413,876.58
  5. Step 5: Solve for x
    x = 48,413,876.58/8,327.34
  6. Step 6: Final answer
    x = 5,813.85

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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.