Home / 4,255.50-5,872.71-2,577.21

Finding the Fourth Proportional to 4,255.50, 5,872.71 and 2,577.21

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Solution

The fourth proportional to 4,255.50, 5,872.71 and 2,577.21 is: 3,556.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.50 : 5,872.71 = 2,577.21 : x
  2. Step 2: Convert to fraction form
    4,255.50/5,872.71 = 2,577.21/x
  3. Step 3: Cross multiply
    4,255.50x = 5,872.71 × 2,577.21
  4. Step 4: Simplify right side
    4,255.50x = 15,135,206.94
  5. Step 5: Solve for x
    x = 15,135,206.94/4,255.50
  6. Step 6: Final answer
    x = 3,556.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.