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Finding the Fourth Proportional to 8,879.73, 12,258.45 and 5,523.61

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Solution

The fourth proportional to 8,879.73, 12,258.45 and 5,523.61 is: 7,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,879.73 : 12,258.45 = 5,523.61 : x
  2. Step 2: Convert to fraction form
    8,879.73/12,258.45 = 5,523.61/x
  3. Step 3: Cross multiply
    8,879.73x = 12,258.45 × 5,523.61
  4. Step 4: Simplify right side
    8,879.73x = 67,710,897.00
  5. Step 5: Solve for x
    x = 67,710,897.00/8,879.73
  6. Step 6: Final answer
    x = 7,625.33

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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.