Home / 8,125.37-12,191.96-3,963.11

Finding the Fourth Proportional to 8,125.37, 12,191.96 and 3,963.11

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Solution

The fourth proportional to 8,125.37, 12,191.96 and 3,963.11 is: 5,946.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.37 : 12,191.96 = 3,963.11 : x
  2. Step 2: Convert to fraction form
    8,125.37/12,191.96 = 3,963.11/x
  3. Step 3: Cross multiply
    8,125.37x = 12,191.96 × 3,963.11
  4. Step 4: Simplify right side
    8,125.37x = 48,317,997.82
  5. Step 5: Solve for x
    x = 48,317,997.82/8,125.37
  6. Step 6: Final answer
    x = 5,946.56

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1.5x scale

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.