Home / 8,427.86-12,641.82-2,584.48

Finding the Fourth Proportional to 8,427.86, 12,641.82 and 2,584.48

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Solution

The fourth proportional to 8,427.86, 12,641.82 and 2,584.48 is: 3,876.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,427.86 : 12,641.82 = 2,584.48 : x
  2. Step 2: Convert to fraction form
    8,427.86/12,641.82 = 2,584.48/x
  3. Step 3: Cross multiply
    8,427.86x = 12,641.82 × 2,584.48
  4. Step 4: Simplify right side
    8,427.86x = 32,672,530.95
  5. Step 5: Solve for x
    x = 32,672,530.95/8,427.86
  6. Step 6: Final answer
    x = 3,876.73

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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.