Home / 6,625.91-9,938.97-2,186.72

Finding the Fourth Proportional to 6,625.91, 9,938.97 and 2,186.72

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Solution

The fourth proportional to 6,625.91, 9,938.97 and 2,186.72 is: 3,280.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.91 : 9,938.97 = 2,186.72 : x
  2. Step 2: Convert to fraction form
    6,625.91/9,938.97 = 2,186.72/x
  3. Step 3: Cross multiply
    6,625.91x = 9,938.97 × 2,186.72
  4. Step 4: Simplify right side
    6,625.91x = 21,733,694.78
  5. Step 5: Solve for x
    x = 21,733,694.78/6,625.91
  6. Step 6: Final answer
    x = 3,280.11

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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.