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Finding the Fourth Proportional to 8,616.52, 11,887.86 and 5,258.44

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Solution

The fourth proportional to 8,616.52, 11,887.86 and 5,258.44 is: 7,254.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,616.52 : 11,887.86 = 5,258.44 : x
  2. Step 2: Convert to fraction form
    8,616.52/11,887.86 = 5,258.44/x
  3. Step 3: Cross multiply
    8,616.52x = 11,887.86 × 5,258.44
  4. Step 4: Simplify right side
    8,616.52x = 62,511,598.54
  5. Step 5: Solve for x
    x = 62,511,598.54/8,616.52
  6. Step 6: Final answer
    x = 7,254.85

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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.