Home / 6,121.89-9,179.77-2,832.16

Finding the Fourth Proportional to 6,121.89, 9,179.77 and 2,832.16

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Solution

The fourth proportional to 6,121.89, 9,179.77 and 2,832.16 is: 4,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.89 : 9,179.77 = 2,832.16 : x
  2. Step 2: Convert to fraction form
    6,121.89/9,179.77 = 2,832.16/x
  3. Step 3: Cross multiply
    6,121.89x = 9,179.77 × 2,832.16
  4. Step 4: Simplify right side
    6,121.89x = 25,998,578.72
  5. Step 5: Solve for x
    x = 25,998,578.72/6,121.89
  6. Step 6: Final answer
    x = 4,246.83

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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.