Home / 5,514.38-8,269.52-1,815.53

Finding the Fourth Proportional to 5,514.38, 8,269.52 and 1,815.53

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Solution

The fourth proportional to 5,514.38, 8,269.52 and 1,815.53 is: 2,722.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.38 : 8,269.52 = 1,815.53 : x
  2. Step 2: Convert to fraction form
    5,514.38/8,269.52 = 1,815.53/x
  3. Step 3: Cross multiply
    5,514.38x = 8,269.52 × 1,815.53
  4. Step 4: Simplify right side
    5,514.38x = 15,013,524.84
  5. Step 5: Solve for x
    x = 15,013,524.84/5,514.38
  6. Step 6: Final answer
    x = 2,722.62

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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.