Home / 5,519.15-8,279.13-1,623.73

Finding the Fourth Proportional to 5,519.15, 8,279.13 and 1,623.73

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Solution

The fourth proportional to 5,519.15, 8,279.13 and 1,623.73 is: 2,435.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,519.15 : 8,279.13 = 1,623.73 : x
  2. Step 2: Convert to fraction form
    5,519.15/8,279.13 = 1,623.73/x
  3. Step 3: Cross multiply
    5,519.15x = 8,279.13 × 1,623.73
  4. Step 4: Simplify right side
    5,519.15x = 13,443,057.15
  5. Step 5: Solve for x
    x = 13,443,057.15/5,519.15
  6. Step 6: Final answer
    x = 2,435.71

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1.5x scale

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.