Home / 6,650.19-9,177.30-3,999.87

Finding the Fourth Proportional to 6,650.19, 9,177.30 and 3,999.87

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Solution

The fourth proportional to 6,650.19, 9,177.30 and 3,999.87 is: 5,519.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.19 : 9,177.30 = 3,999.87 : x
  2. Step 2: Convert to fraction form
    6,650.19/9,177.30 = 3,999.87/x
  3. Step 3: Cross multiply
    6,650.19x = 9,177.30 × 3,999.87
  4. Step 4: Simplify right side
    6,650.19x = 36,708,006.95
  5. Step 5: Solve for x
    x = 36,708,006.95/6,650.19
  6. Step 6: Final answer
    x = 5,519.84

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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.