Home / 6,649.06-9,175.22-3,997.94

Finding the Fourth Proportional to 6,649.06, 9,175.22 and 3,997.94

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Solution

The fourth proportional to 6,649.06, 9,175.22 and 3,997.94 is: 5,516.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,649.06 : 9,175.22 = 3,997.94 : x
  2. Step 2: Convert to fraction form
    6,649.06/9,175.22 = 3,997.94/x
  3. Step 3: Cross multiply
    6,649.06x = 9,175.22 × 3,997.94
  4. Step 4: Simplify right side
    6,649.06x = 36,681,979.05
  5. Step 5: Solve for x
    x = 36,681,979.05/6,649.06
  6. Step 6: Final answer
    x = 5,516.87

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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.