Home / 8,396.22-12,582.78-3,887.97

Finding the Fourth Proportional to 8,396.22, 12,582.78 and 3,887.97

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Solution

The fourth proportional to 8,396.22, 12,582.78 and 3,887.97 is: 5,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,396.22 : 12,582.78 = 3,887.97 : x
  2. Step 2: Convert to fraction form
    8,396.22/12,582.78 = 3,887.97/x
  3. Step 3: Cross multiply
    8,396.22x = 12,582.78 × 3,887.97
  4. Step 4: Simplify right side
    8,396.22x = 48,921,471.16
  5. Step 5: Solve for x
    x = 48,921,471.16/8,396.22
  6. Step 6: Final answer
    x = 5,826.61

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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.