Home / 3,908.27-5,395.07-3,802.97

Finding the Fourth Proportional to 3,908.27, 5,395.07 and 3,802.97

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Solution

The fourth proportional to 3,908.27, 5,395.07 and 3,802.97 is: 5,249.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,908.27 : 5,395.07 = 3,802.97 : x
  2. Step 2: Convert to fraction form
    3,908.27/5,395.07 = 3,802.97/x
  3. Step 3: Cross multiply
    3,908.27x = 5,395.07 × 3,802.97
  4. Step 4: Simplify right side
    3,908.27x = 20,517,289.36
  5. Step 5: Solve for x
    x = 20,517,289.36/3,908.27
  6. Step 6: Final answer
    x = 5,249.71

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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.