Home / 5,375.76-8,056.34-2,447.61

Finding the Fourth Proportional to 5,375.76, 8,056.34 and 2,447.61

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Solution

The fourth proportional to 5,375.76, 8,056.34 and 2,447.61 is: 3,668.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.76 : 8,056.34 = 2,447.61 : x
  2. Step 2: Convert to fraction form
    5,375.76/8,056.34 = 2,447.61/x
  3. Step 3: Cross multiply
    5,375.76x = 8,056.34 × 2,447.61
  4. Step 4: Simplify right side
    5,375.76x = 19,718,778.35
  5. Step 5: Solve for x
    x = 19,718,778.35/5,375.76
  6. Step 6: Final answer
    x = 3,668.09

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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.