Home / 6,231.79-8,601.35-3,998.96

Finding the Fourth Proportional to 6,231.79, 8,601.35 and 3,998.96

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Solution

The fourth proportional to 6,231.79, 8,601.35 and 3,998.96 is: 5,519.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,231.79 : 8,601.35 = 3,998.96 : x
  2. Step 2: Convert to fraction form
    6,231.79/8,601.35 = 3,998.96/x
  3. Step 3: Cross multiply
    6,231.79x = 8,601.35 × 3,998.96
  4. Step 4: Simplify right side
    6,231.79x = 34,396,454.60
  5. Step 5: Solve for x
    x = 34,396,454.60/6,231.79
  6. Step 6: Final answer
    x = 5,519.51

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Half scale
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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.