Home / 5,389.16-8,067.04-2,917.85

Finding the Fourth Proportional to 5,389.16, 8,067.04 and 2,917.85

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Solution

The fourth proportional to 5,389.16, 8,067.04 and 2,917.85 is: 4,367.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.16 : 8,067.04 = 2,917.85 : x
  2. Step 2: Convert to fraction form
    5,389.16/8,067.04 = 2,917.85/x
  3. Step 3: Cross multiply
    5,389.16x = 8,067.04 × 2,917.85
  4. Step 4: Simplify right side
    5,389.16x = 23,538,425.54
  5. Step 5: Solve for x
    x = 23,538,425.54/5,389.16
  6. Step 6: Final answer
    x = 4,367.73

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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.