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Finding the Fourth Proportional to 8,166.48, 11,248.74 and 6,394.92

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Solution

The fourth proportional to 8,166.48, 11,248.74 and 6,394.92 is: 8,808.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,166.48 : 11,248.74 = 6,394.92 : x
  2. Step 2: Convert to fraction form
    8,166.48/11,248.74 = 6,394.92/x
  3. Step 3: Cross multiply
    8,166.48x = 11,248.74 × 6,394.92
  4. Step 4: Simplify right side
    8,166.48x = 71,934,792.40
  5. Step 5: Solve for x
    x = 71,934,792.40/8,166.48
  6. Step 6: Final answer
    x = 8,808.54

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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.