Home / 4,272.78-6,397.96-3,435.37

Finding the Fourth Proportional to 4,272.78, 6,397.96 and 3,435.37

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Solution

The fourth proportional to 4,272.78, 6,397.96 and 3,435.37 is: 5,144.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,272.78 : 6,397.96 = 3,435.37 : x
  2. Step 2: Convert to fraction form
    4,272.78/6,397.96 = 3,435.37/x
  3. Step 3: Cross multiply
    4,272.78x = 6,397.96 × 3,435.37
  4. Step 4: Simplify right side
    4,272.78x = 21,979,396.35
  5. Step 5: Solve for x
    x = 21,979,396.35/4,272.78
  6. Step 6: Final answer
    x = 5,144.06

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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.