Home / 6,081.24-8,396.22-3,988.92

Finding the Fourth Proportional to 6,081.24, 8,396.22 and 3,988.92

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Solution

The fourth proportional to 6,081.24, 8,396.22 and 3,988.92 is: 5,507.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,081.24 : 8,396.22 = 3,988.92 : x
  2. Step 2: Convert to fraction form
    6,081.24/8,396.22 = 3,988.92/x
  3. Step 3: Cross multiply
    6,081.24x = 8,396.22 × 3,988.92
  4. Step 4: Simplify right side
    6,081.24x = 33,491,849.88
  5. Step 5: Solve for x
    x = 33,491,849.88/6,081.24
  6. Step 6: Final answer
    x = 5,507.40

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Double scale
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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.