Home / 5,979.23-8,258.21-3,986.31

Finding the Fourth Proportional to 5,979.23, 8,258.21 and 3,986.31

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Solution

The fourth proportional to 5,979.23, 8,258.21 and 3,986.31 is: 5,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,979.23 : 8,258.21 = 3,986.31 : x
  2. Step 2: Convert to fraction form
    5,979.23/8,258.21 = 3,986.31/x
  3. Step 3: Cross multiply
    5,979.23x = 8,258.21 × 3,986.31
  4. Step 4: Simplify right side
    5,979.23x = 32,919,765.17
  5. Step 5: Solve for x
    x = 32,919,765.17/5,979.23
  6. Step 6: Final answer
    x = 5,505.69

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Similar ratio
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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.