Home / 5,550.78-8,326.42-2,087.76

Finding the Fourth Proportional to 5,550.78, 8,326.42 and 2,087.76

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Solution

The fourth proportional to 5,550.78, 8,326.42 and 2,087.76 is: 3,131.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,550.78 : 8,326.42 = 2,087.76 : x
  2. Step 2: Convert to fraction form
    5,550.78/8,326.42 = 2,087.76/x
  3. Step 3: Cross multiply
    5,550.78x = 8,326.42 × 2,087.76
  4. Step 4: Simplify right side
    5,550.78x = 17,383,566.62
  5. Step 5: Solve for x
    x = 17,383,566.62/5,550.78
  6. Step 6: Final answer
    x = 3,131.73

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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.