Home / 5,008.44-6,912.54-3,144.36

Finding the Fourth Proportional to 5,008.44, 6,912.54 and 3,144.36

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Solution

The fourth proportional to 5,008.44, 6,912.54 and 3,144.36 is: 4,339.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,008.44 : 6,912.54 = 3,144.36 : x
  2. Step 2: Convert to fraction form
    5,008.44/6,912.54 = 3,144.36/x
  3. Step 3: Cross multiply
    5,008.44x = 6,912.54 × 3,144.36
  4. Step 4: Simplify right side
    5,008.44x = 21,735,514.27
  5. Step 5: Solve for x
    x = 21,735,514.27/5,008.44
  6. Step 6: Final answer
    x = 4,339.78

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1.5x scale

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.