Home / 4,255.87-6,375.51-2,790.58

Finding the Fourth Proportional to 4,255.87, 6,375.51 and 2,790.58

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Solution

The fourth proportional to 4,255.87, 6,375.51 and 2,790.58 is: 4,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.87 : 6,375.51 = 2,790.58 : x
  2. Step 2: Convert to fraction form
    4,255.87/6,375.51 = 2,790.58/x
  3. Step 3: Cross multiply
    4,255.87x = 6,375.51 × 2,790.58
  4. Step 4: Simplify right side
    4,255.87x = 17,791,370.70
  5. Step 5: Solve for x
    x = 17,791,370.70/4,255.87
  6. Step 6: Final answer
    x = 4,180.43

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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.