Home / 8,376.86-12,560.97-3,445.58

Finding the Fourth Proportional to 8,376.86, 12,560.97 and 3,445.58

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Solution

The fourth proportional to 8,376.86, 12,560.97 and 3,445.58 is: 5,166.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.86 : 12,560.97 = 3,445.58 : x
  2. Step 2: Convert to fraction form
    8,376.86/12,560.97 = 3,445.58/x
  3. Step 3: Cross multiply
    8,376.86x = 12,560.97 × 3,445.58
  4. Step 4: Simplify right side
    8,376.86x = 43,279,827.01
  5. Step 5: Solve for x
    x = 43,279,827.01/8,376.86
  6. Step 6: Final answer
    x = 5,166.59

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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.