Home / 5,414.07-8,120.87-3,217.96

Finding the Fourth Proportional to 5,414.07, 8,120.87 and 3,217.96

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Solution

The fourth proportional to 5,414.07, 8,120.87 and 3,217.96 is: 4,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,414.07 : 8,120.87 = 3,217.96 : x
  2. Step 2: Convert to fraction form
    5,414.07/8,120.87 = 3,217.96/x
  3. Step 3: Cross multiply
    5,414.07x = 8,120.87 × 3,217.96
  4. Step 4: Simplify right side
    5,414.07x = 26,132,634.83
  5. Step 5: Solve for x
    x = 26,132,634.83/5,414.07
  6. Step 6: Final answer
    x = 4,826.80

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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.