Home / 6,121.92-9,176.64-2,422.64

Finding the Fourth Proportional to 6,121.92, 9,176.64 and 2,422.64

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Solution

The fourth proportional to 6,121.92, 9,176.64 and 2,422.64 is: 3,631.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,121.92 : 9,176.64 = 2,422.64 : x
  2. Step 2: Convert to fraction form
    6,121.92/9,176.64 = 2,422.64/x
  3. Step 3: Cross multiply
    6,121.92x = 9,176.64 × 2,422.64
  4. Step 4: Simplify right side
    6,121.92x = 22,231,695.13
  5. Step 5: Solve for x
    x = 22,231,695.13/6,121.92
  6. Step 6: Final answer
    x = 3,631.49

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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.