Home / 3,867.47-5,351.17-3,371.15

Finding the Fourth Proportional to 3,867.47, 5,351.17 and 3,371.15

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Solution

The fourth proportional to 3,867.47, 5,351.17 and 3,371.15 is: 4,664.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,867.47 : 5,351.17 = 3,371.15 : x
  2. Step 2: Convert to fraction form
    3,867.47/5,351.17 = 3,371.15/x
  3. Step 3: Cross multiply
    3,867.47x = 5,351.17 × 3,371.15
  4. Step 4: Simplify right side
    3,867.47x = 18,039,569.99
  5. Step 5: Solve for x
    x = 18,039,569.99/3,867.47
  6. Step 6: Final answer
    x = 4,664.44

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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.