Home / 6,249.62-8,617.89-3,887.66

Finding the Fourth Proportional to 6,249.62, 8,617.89 and 3,887.66

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Solution

The fourth proportional to 6,249.62, 8,617.89 and 3,887.66 is: 5,360.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,249.62 : 8,617.89 = 3,887.66 : x
  2. Step 2: Convert to fraction form
    6,249.62/8,617.89 = 3,887.66/x
  3. Step 3: Cross multiply
    6,249.62x = 8,617.89 × 3,887.66
  4. Step 4: Simplify right side
    6,249.62x = 33,503,462.36
  5. Step 5: Solve for x
    x = 33,503,462.36/6,249.62
  6. Step 6: Final answer
    x = 5,360.88

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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.