Home / 6,086.26-8,398.92-3,990.25

Finding the Fourth Proportional to 6,086.26, 8,398.92 and 3,990.25

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Solution

The fourth proportional to 6,086.26, 8,398.92 and 3,990.25 is: 5,506.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.26 : 8,398.92 = 3,990.25 : x
  2. Step 2: Convert to fraction form
    6,086.26/8,398.92 = 3,990.25/x
  3. Step 3: Cross multiply
    6,086.26x = 8,398.92 × 3,990.25
  4. Step 4: Simplify right side
    6,086.26x = 33,513,790.53
  5. Step 5: Solve for x
    x = 33,513,790.53/6,086.26
  6. Step 6: Final answer
    x = 5,506.47

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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.