Home / 4,256.72-6,371.72-2,691.32

Finding the Fourth Proportional to 4,256.72, 6,371.72 and 2,691.32

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Solution

The fourth proportional to 4,256.72, 6,371.72 and 2,691.32 is: 4,028.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,256.72 : 6,371.72 = 2,691.32 : x
  2. Step 2: Convert to fraction form
    4,256.72/6,371.72 = 2,691.32/x
  3. Step 3: Cross multiply
    4,256.72x = 6,371.72 × 2,691.32
  4. Step 4: Simplify right side
    4,256.72x = 17,148,337.47
  5. Step 5: Solve for x
    x = 17,148,337.47/4,256.72
  6. Step 6: Final answer
    x = 4,028.53

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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.