Home / 6,650.24-9,178.45-3,997.76

Finding the Fourth Proportional to 6,650.24, 9,178.45 and 3,997.76

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Solution

The fourth proportional to 6,650.24, 9,178.45 and 3,997.76 is: 5,517.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.24 : 9,178.45 = 3,997.76 : x
  2. Step 2: Convert to fraction form
    6,650.24/9,178.45 = 3,997.76/x
  3. Step 3: Cross multiply
    6,650.24x = 9,178.45 × 3,997.76
  4. Step 4: Simplify right side
    6,650.24x = 36,693,184.39
  5. Step 5: Solve for x
    x = 36,693,184.39/6,650.24
  6. Step 6: Final answer
    x = 5,517.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.