Home / 5,939.78-8,197.09-3,287.43

Finding the Fourth Proportional to 5,939.78, 8,197.09 and 3,287.43

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Solution

The fourth proportional to 5,939.78, 8,197.09 and 3,287.43 is: 4,536.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.78 : 8,197.09 = 3,287.43 : x
  2. Step 2: Convert to fraction form
    5,939.78/8,197.09 = 3,287.43/x
  3. Step 3: Cross multiply
    5,939.78x = 8,197.09 × 3,287.43
  4. Step 4: Simplify right side
    5,939.78x = 26,947,351.36
  5. Step 5: Solve for x
    x = 26,947,351.36/5,939.78
  6. Step 6: Final answer
    x = 4,536.76

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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.