Home / 5,103.72-7,650.12-2,637.90

Finding the Fourth Proportional to 5,103.72, 7,650.12 and 2,637.90

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Solution

The fourth proportional to 5,103.72, 7,650.12 and 2,637.90 is: 3,954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,103.72 : 7,650.12 = 2,637.90 : x
  2. Step 2: Convert to fraction form
    5,103.72/7,650.12 = 2,637.90/x
  3. Step 3: Cross multiply
    5,103.72x = 7,650.12 × 2,637.90
  4. Step 4: Simplify right side
    5,103.72x = 20,180,251.55
  5. Step 5: Solve for x
    x = 20,180,251.55/5,103.72
  6. Step 6: Final answer
    x = 3,954.03

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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.