Home / 6,661.28-9,192.84-4,144.88

Finding the Fourth Proportional to 6,661.28, 9,192.84 and 4,144.88

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Solution

The fourth proportional to 6,661.28, 9,192.84 and 4,144.88 is: 5,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.28 : 9,192.84 = 4,144.88 : x
  2. Step 2: Convert to fraction form
    6,661.28/9,192.84 = 4,144.88/x
  3. Step 3: Cross multiply
    6,661.28x = 9,192.84 × 4,144.88
  4. Step 4: Simplify right side
    6,661.28x = 38,103,218.66
  5. Step 5: Solve for x
    x = 38,103,218.66/6,661.28
  6. Step 6: Final answer
    x = 5,720.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.