Home / 5,188.23-7,159.92-2,919.97

Finding the Fourth Proportional to 5,188.23, 7,159.92 and 2,919.97

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Solution

The fourth proportional to 5,188.23, 7,159.92 and 2,919.97 is: 4,029.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,188.23 : 7,159.92 = 2,919.97 : x
  2. Step 2: Convert to fraction form
    5,188.23/7,159.92 = 2,919.97/x
  3. Step 3: Cross multiply
    5,188.23x = 7,159.92 × 2,919.97
  4. Step 4: Simplify right side
    5,188.23x = 20,906,751.60
  5. Step 5: Solve for x
    x = 20,906,751.60/5,188.23
  6. Step 6: Final answer
    x = 4,029.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.