Home / 4,253.88-6,372.52-2,788.58

Finding the Fourth Proportional to 4,253.88, 6,372.52 and 2,788.58

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Solution

The fourth proportional to 4,253.88, 6,372.52 and 2,788.58 is: 4,177.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,253.88 : 6,372.52 = 2,788.58 : x
  2. Step 2: Convert to fraction form
    4,253.88/6,372.52 = 2,788.58/x
  3. Step 3: Cross multiply
    4,253.88x = 6,372.52 × 2,788.58
  4. Step 4: Simplify right side
    4,253.88x = 17,770,281.82
  5. Step 5: Solve for x
    x = 17,770,281.82/4,253.88
  6. Step 6: Final answer
    x = 4,177.43

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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.