Home / 5,540.40-8,318.70-3,358.26

Finding the Fourth Proportional to 5,540.40, 8,318.70 and 3,358.26

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Solution

The fourth proportional to 5,540.40, 8,318.70 and 3,358.26 is: 5,042.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.40 : 8,318.70 = 3,358.26 : x
  2. Step 2: Convert to fraction form
    5,540.40/8,318.70 = 3,358.26/x
  3. Step 3: Cross multiply
    5,540.40x = 8,318.70 × 3,358.26
  4. Step 4: Simplify right side
    5,540.40x = 27,936,357.46
  5. Step 5: Solve for x
    x = 27,936,357.46/5,540.40
  6. Step 6: Final answer
    x = 5,042.30

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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.