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Finding the Fourth Proportional to 8,788.82, 12,115.95 and 6,266.55

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Solution

The fourth proportional to 8,788.82, 12,115.95 and 6,266.55 is: 8,638.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,788.82 : 12,115.95 = 6,266.55 : x
  2. Step 2: Convert to fraction form
    8,788.82/12,115.95 = 6,266.55/x
  3. Step 3: Cross multiply
    8,788.82x = 12,115.95 × 6,266.55
  4. Step 4: Simplify right side
    8,788.82x = 75,925,160.26
  5. Step 5: Solve for x
    x = 75,925,160.26/8,788.82
  6. Step 6: Final answer
    x = 8,638.83

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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.