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Finding the Fourth Proportional to 8,876, 13,314 and 2,720

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Solution

The fourth proportional to 8,876, 13,314 and 2,720 is: 4,080

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,876 : 13,314 = 2,720 : x
  2. Step 2: Convert to fraction form
    8,876/13,314 = 2,720/x
  3. Step 3: Cross multiply
    8,876x = 13,314 × 2,720
  4. Step 4: Simplify right side
    8,876x = 36,214,080
  5. Step 5: Solve for x
    x = 36,214,080/8,876
  6. Step 6: Final answer
    x = 4,080

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.