Home / 5,375.76-8,062.72-1,479.25

Finding the Fourth Proportional to 5,375.76, 8,062.72 and 1,479.25

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Solution

The fourth proportional to 5,375.76, 8,062.72 and 1,479.25 is: 2,218.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,375.76 : 8,062.72 = 1,479.25 : x
  2. Step 2: Convert to fraction form
    5,375.76/8,062.72 = 1,479.25/x
  3. Step 3: Cross multiply
    5,375.76x = 8,062.72 × 1,479.25
  4. Step 4: Simplify right side
    5,375.76x = 11,926,778.56
  5. Step 5: Solve for x
    x = 11,926,778.56/5,375.76
  6. Step 6: Final answer
    x = 2,218.62

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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.