Home / 4,945.23-7,419.80-2,169.97

Finding the Fourth Proportional to 4,945.23, 7,419.80 and 2,169.97

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Solution

The fourth proportional to 4,945.23, 7,419.80 and 2,169.97 is: 3,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,945.23 : 7,419.80 = 2,169.97 : x
  2. Step 2: Convert to fraction form
    4,945.23/7,419.80 = 2,169.97/x
  3. Step 3: Cross multiply
    4,945.23x = 7,419.80 × 2,169.97
  4. Step 4: Simplify right side
    4,945.23x = 16,100,743.41
  5. Step 5: Solve for x
    x = 16,100,743.41/4,945.23
  6. Step 6: Final answer
    x = 3,255.81

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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.