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Finding the Fourth Proportional to 8,512.88, 12,770.52 and 2,669.94

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Solution

The fourth proportional to 8,512.88, 12,770.52 and 2,669.94 is: 4,005.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,512.88 : 12,770.52 = 2,669.94 : x
  2. Step 2: Convert to fraction form
    8,512.88/12,770.52 = 2,669.94/x
  3. Step 3: Cross multiply
    8,512.88x = 12,770.52 × 2,669.94
  4. Step 4: Simplify right side
    8,512.88x = 34,096,522.17
  5. Step 5: Solve for x
    x = 34,096,522.17/8,512.88
  6. Step 6: Final answer
    x = 4,005.29

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Why These Related Problems?

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