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Finding the Fourth Proportional to 8,140.84, 11,234.40 and 4,414.84

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Solution

The fourth proportional to 8,140.84, 11,234.40 and 4,414.84 is: 6,092.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,140.84 : 11,234.40 = 4,414.84 : x
  2. Step 2: Convert to fraction form
    8,140.84/11,234.40 = 4,414.84/x
  3. Step 3: Cross multiply
    8,140.84x = 11,234.40 × 4,414.84
  4. Step 4: Simplify right side
    8,140.84x = 49,598,078.50
  5. Step 5: Solve for x
    x = 49,598,078.50/8,140.84
  6. Step 6: Final answer
    x = 6,092.50

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.