Home / 5,519.26-8,279.43-1,821.52

Finding the Fourth Proportional to 5,519.26, 8,279.43 and 1,821.52

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Solution

The fourth proportional to 5,519.26, 8,279.43 and 1,821.52 is: 2,732.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.26 : 8,279.43 = 1,821.52 : x
  2. Step 2: Convert to fraction form
    5,519.26/8,279.43 = 1,821.52/x
  3. Step 3: Cross multiply
    5,519.26x = 8,279.43 × 1,821.52
  4. Step 4: Simplify right side
    5,519.26x = 15,081,147.33
  5. Step 5: Solve for x
    x = 15,081,147.33/5,519.26
  6. Step 6: Final answer
    x = 2,732.46

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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.