Home / 5,258.26-7,887.40-3,609.80

Finding the Fourth Proportional to 5,258.26, 7,887.40 and 3,609.80

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Solution

The fourth proportional to 5,258.26, 7,887.40 and 3,609.80 is: 5,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,258.26 : 7,887.40 = 3,609.80 : x
  2. Step 2: Convert to fraction form
    5,258.26/7,887.40 = 3,609.80/x
  3. Step 3: Cross multiply
    5,258.26x = 7,887.40 × 3,609.80
  4. Step 4: Simplify right side
    5,258.26x = 28,471,936.52
  5. Step 5: Solve for x
    x = 28,471,936.52/5,258.26
  6. Step 6: Final answer
    x = 5,414.71

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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.