Home / 5,514.70-8,272.59-2,005

Finding the Fourth Proportional to 5,514.70, 8,272.59 and 2,005

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Solution

The fourth proportional to 5,514.70, 8,272.59 and 2,005 is: 3,007.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,514.70 : 8,272.59 = 2,005 : x
  2. Step 2: Convert to fraction form
    5,514.70/8,272.59 = 2,005/x
  3. Step 3: Cross multiply
    5,514.70x = 8,272.59 × 2,005
  4. Step 4: Simplify right side
    5,514.70x = 16,586,542.95
  5. Step 5: Solve for x
    x = 16,586,542.95/5,514.70
  6. Step 6: Final answer
    x = 3,007.70

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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.