Home / 5,540.40-8,299.80-3,686.04

Finding the Fourth Proportional to 5,540.40, 8,299.80 and 3,686.04

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Solution

The fourth proportional to 5,540.40, 8,299.80 and 3,686.04 is: 5,521.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,540.40 : 8,299.80 = 3,686.04 : x
  2. Step 2: Convert to fraction form
    5,540.40/8,299.80 = 3,686.04/x
  3. Step 3: Cross multiply
    5,540.40x = 8,299.80 × 3,686.04
  4. Step 4: Simplify right side
    5,540.40x = 30,593,394.79
  5. Step 5: Solve for x
    x = 30,593,394.79/5,540.40
  6. Step 6: Final answer
    x = 5,521.87

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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.