Home / 6,121.88-9,188.24-3,351.08

Finding the Fourth Proportional to 6,121.88, 9,188.24 and 3,351.08

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Solution

The fourth proportional to 6,121.88, 9,188.24 and 3,351.08 is: 5,029.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.88 : 9,188.24 = 3,351.08 : x
  2. Step 2: Convert to fraction form
    6,121.88/9,188.24 = 3,351.08/x
  3. Step 3: Cross multiply
    6,121.88x = 9,188.24 × 3,351.08
  4. Step 4: Simplify right side
    6,121.88x = 30,790,527.30
  5. Step 5: Solve for x
    x = 30,790,527.30/6,121.88
  6. Step 6: Final answer
    x = 5,029.59

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1.5x scale

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.