Home / 6,122.88-9,184.32-2,660.16

Finding the Fourth Proportional to 6,122.88, 9,184.32 and 2,660.16

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Solution

The fourth proportional to 6,122.88, 9,184.32 and 2,660.16 is: 3,990.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,122.88 : 9,184.32 = 2,660.16 : x
  2. Step 2: Convert to fraction form
    6,122.88/9,184.32 = 2,660.16/x
  3. Step 3: Cross multiply
    6,122.88x = 9,184.32 × 2,660.16
  4. Step 4: Simplify right side
    6,122.88x = 24,431,760.69
  5. Step 5: Solve for x
    x = 24,431,760.69/6,122.88
  6. Step 6: Final answer
    x = 3,990.24

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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.