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Finding the Fourth Proportional to 8,652.63, 12,981.11 and 2,496.63

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Solution

The fourth proportional to 8,652.63, 12,981.11 and 2,496.63 is: 3,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,652.63 : 12,981.11 = 2,496.63 : x
  2. Step 2: Convert to fraction form
    8,652.63/12,981.11 = 2,496.63/x
  3. Step 3: Cross multiply
    8,652.63x = 12,981.11 × 2,496.63
  4. Step 4: Simplify right side
    8,652.63x = 32,408,951.27
  5. Step 5: Solve for x
    x = 32,408,951.27/8,652.63
  6. Step 6: Final answer
    x = 3,745.56

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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.