Home / 8,376.62-12,560.27-3,449.59

Finding the Fourth Proportional to 8,376.62, 12,560.27 and 3,449.59

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Solution

The fourth proportional to 8,376.62, 12,560.27 and 3,449.59 is: 5,172.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,376.62 : 12,560.27 = 3,449.59 : x
  2. Step 2: Convert to fraction form
    8,376.62/12,560.27 = 3,449.59/x
  3. Step 3: Cross multiply
    8,376.62x = 12,560.27 × 3,449.59
  4. Step 4: Simplify right side
    8,376.62x = 43,327,733.14
  5. Step 5: Solve for x
    x = 43,327,733.14/8,376.62
  6. Step 6: Final answer
    x = 5,172.46

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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.