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Finding the Fourth Proportional to 8,676.37, 13,015.95 and 3,747.52

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Solution

The fourth proportional to 8,676.37, 13,015.95 and 3,747.52 is: 5,621.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,676.37 : 13,015.95 = 3,747.52 : x
  2. Step 2: Convert to fraction form
    8,676.37/13,015.95 = 3,747.52/x
  3. Step 3: Cross multiply
    8,676.37x = 13,015.95 × 3,747.52
  4. Step 4: Simplify right side
    8,676.37x = 48,777,532.94
  5. Step 5: Solve for x
    x = 48,777,532.94/8,676.37
  6. Step 6: Final answer
    x = 5,621.88

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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.