Home / 4,002.82-6,004.23-1,081.20

Finding the Fourth Proportional to 4,002.82, 6,004.23 and 1,081.20

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Solution

The fourth proportional to 4,002.82, 6,004.23 and 1,081.20 is: 1,621.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,002.82 : 6,004.23 = 1,081.20 : x
  2. Step 2: Convert to fraction form
    4,002.82/6,004.23 = 1,081.20/x
  3. Step 3: Cross multiply
    4,002.82x = 6,004.23 × 1,081.20
  4. Step 4: Simplify right side
    4,002.82x = 6,491,758.16
  5. Step 5: Solve for x
    x = 6,491,758.16/4,002.82
  6. Step 6: Final answer
    x = 1,621.80

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Similar ratio
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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.