Home / 4,515.75-6,771.15-2,540.57

Finding the Fourth Proportional to 4,515.75, 6,771.15 and 2,540.57

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Solution

The fourth proportional to 4,515.75, 6,771.15 and 2,540.57 is: 3,809.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,515.75 : 6,771.15 = 2,540.57 : x
  2. Step 2: Convert to fraction form
    4,515.75/6,771.15 = 2,540.57/x
  3. Step 3: Cross multiply
    4,515.75x = 6,771.15 × 2,540.57
  4. Step 4: Simplify right side
    4,515.75x = 17,202,546.70
  5. Step 5: Solve for x
    x = 17,202,546.70/4,515.75
  6. Step 6: Final answer
    x = 3,809.46

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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.