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Finding the Fourth Proportional to 4,516.38, 6,759 and 2,760.48

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Solution

The fourth proportional to 4,516.38, 6,759 and 2,760.48 is: 4,131.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,516.38 : 6,759 = 2,760.48 : x
  2. Step 2: Convert to fraction form
    4,516.38/6,759 = 2,760.48/x
  3. Step 3: Cross multiply
    4,516.38x = 6,759 × 2,760.48
  4. Step 4: Simplify right side
    4,516.38x = 18,658,084.32
  5. Step 5: Solve for x
    x = 18,658,084.32/4,516.38
  6. Step 6: Final answer
    x = 4,131.20

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1.5x scale

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.