Home / 4,939.56-7,414.20-2,749.86

Finding the Fourth Proportional to 4,939.56, 7,414.20 and 2,749.86

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Solution

The fourth proportional to 4,939.56, 7,414.20 and 2,749.86 is: 4,127.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.56 : 7,414.20 = 2,749.86 : x
  2. Step 2: Convert to fraction form
    4,939.56/7,414.20 = 2,749.86/x
  3. Step 3: Cross multiply
    4,939.56x = 7,414.20 × 2,749.86
  4. Step 4: Simplify right side
    4,939.56x = 20,388,012.01
  5. Step 5: Solve for x
    x = 20,388,012.01/4,939.56
  6. Step 6: Final answer
    x = 4,127.50

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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.