Home / 6,610.33-9,121.95-3,959.20

Finding the Fourth Proportional to 6,610.33, 9,121.95 and 3,959.20

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Solution

The fourth proportional to 6,610.33, 9,121.95 and 3,959.20 is: 5,463.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,610.33 : 9,121.95 = 3,959.20 : x
  2. Step 2: Convert to fraction form
    6,610.33/9,121.95 = 3,959.20/x
  3. Step 3: Cross multiply
    6,610.33x = 9,121.95 × 3,959.20
  4. Step 4: Simplify right side
    6,610.33x = 36,115,624.44
  5. Step 5: Solve for x
    x = 36,115,624.44/6,610.33
  6. Step 6: Final answer
    x = 5,463.51

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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.