Home / 6,648.66-9,176.01-3,997.53

Finding the Fourth Proportional to 6,648.66, 9,176.01 and 3,997.53

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Solution

The fourth proportional to 6,648.66, 9,176.01 and 3,997.53 is: 5,517.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,648.66 : 9,176.01 = 3,997.53 : x
  2. Step 2: Convert to fraction form
    6,648.66/9,176.01 = 3,997.53/x
  3. Step 3: Cross multiply
    6,648.66x = 9,176.01 × 3,997.53
  4. Step 4: Simplify right side
    6,648.66x = 36,681,375.26
  5. Step 5: Solve for x
    x = 36,681,375.26/6,648.66
  6. Step 6: Final answer
    x = 5,517.11

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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.