Home / 6,081.20-9,121.80-2,382.20

Finding the Fourth Proportional to 6,081.20, 9,121.80 and 2,382.20

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Solution

The fourth proportional to 6,081.20, 9,121.80 and 2,382.20 is: 3,573.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.20 : 9,121.80 = 2,382.20 : x
  2. Step 2: Convert to fraction form
    6,081.20/9,121.80 = 2,382.20/x
  3. Step 3: Cross multiply
    6,081.20x = 9,121.80 × 2,382.20
  4. Step 4: Simplify right side
    6,081.20x = 21,729,951.96
  5. Step 5: Solve for x
    x = 21,729,951.96/6,081.20
  6. Step 6: Final answer
    x = 3,573.30

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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.