Home / 4,143.36-6,217.28-2,757.28

Finding the Fourth Proportional to 4,143.36, 6,217.28 and 2,757.28

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Solution

The fourth proportional to 4,143.36, 6,217.28 and 2,757.28 is: 4,137.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,143.36 : 6,217.28 = 2,757.28 : x
  2. Step 2: Convert to fraction form
    4,143.36/6,217.28 = 2,757.28/x
  3. Step 3: Cross multiply
    4,143.36x = 6,217.28 × 2,757.28
  4. Step 4: Simplify right side
    4,143.36x = 17,142,781.80
  5. Step 5: Solve for x
    x = 17,142,781.80/4,143.36
  6. Step 6: Final answer
    x = 4,137.41

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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.