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Finding the Fourth Proportional to 8,108.20, 12,125.22 and 5,894.20

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Solution

The fourth proportional to 8,108.20, 12,125.22 and 5,894.20 is: 8,814.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,108.20 : 12,125.22 = 5,894.20 : x
  2. Step 2: Convert to fraction form
    8,108.20/12,125.22 = 5,894.20/x
  3. Step 3: Cross multiply
    8,108.20x = 12,125.22 × 5,894.20
  4. Step 4: Simplify right side
    8,108.20x = 71,468,471.72
  5. Step 5: Solve for x
    x = 71,468,471.72/8,108.20
  6. Step 6: Final answer
    x = 8,814.34

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.