Home / 4,512.12-6,766.03-2,638.54

Finding the Fourth Proportional to 4,512.12, 6,766.03 and 2,638.54

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Solution

The fourth proportional to 4,512.12, 6,766.03 and 2,638.54 is: 3,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,512.12 : 6,766.03 = 2,638.54 : x
  2. Step 2: Convert to fraction form
    4,512.12/6,766.03 = 2,638.54/x
  3. Step 3: Cross multiply
    4,512.12x = 6,766.03 × 2,638.54
  4. Step 4: Simplify right side
    4,512.12x = 17,852,452.55
  5. Step 5: Solve for x
    x = 17,852,452.55/4,512.12
  6. Step 6: Final answer
    x = 3,956.56

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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.