Home / 5,519.75-8,279.87-1,822.29

Finding the Fourth Proportional to 5,519.75, 8,279.87 and 1,822.29

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Solution

The fourth proportional to 5,519.75, 8,279.87 and 1,822.29 is: 2,733.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.75 : 8,279.87 = 1,822.29 : x
  2. Step 2: Convert to fraction form
    5,519.75/8,279.87 = 1,822.29/x
  3. Step 3: Cross multiply
    5,519.75x = 8,279.87 × 1,822.29
  4. Step 4: Simplify right side
    5,519.75x = 15,088,315.19
  5. Step 5: Solve for x
    x = 15,088,315.19/5,519.75
  6. Step 6: Final answer
    x = 2,733.52

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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.