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Finding the Fourth Proportional to 8,907, 13,360.68 and 2,751

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Solution

The fourth proportional to 8,907, 13,360.68 and 2,751 is: 4,126.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,907 : 13,360.68 = 2,751 : x
  2. Step 2: Convert to fraction form
    8,907/13,360.68 = 2,751/x
  3. Step 3: Cross multiply
    8,907x = 13,360.68 × 2,751
  4. Step 4: Simplify right side
    8,907x = 36,755,230.68
  5. Step 5: Solve for x
    x = 36,755,230.68/8,907
  6. Step 6: Final answer
    x = 4,126.56

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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.