Home / 4,516.74-6,768.12-3,132.78

Finding the Fourth Proportional to 4,516.74, 6,768.12 and 3,132.78

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Solution

The fourth proportional to 4,516.74, 6,768.12 and 3,132.78 is: 4,694.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,516.74 : 6,768.12 = 3,132.78 : x
  2. Step 2: Convert to fraction form
    4,516.74/6,768.12 = 3,132.78/x
  3. Step 3: Cross multiply
    4,516.74x = 6,768.12 × 3,132.78
  4. Step 4: Simplify right side
    4,516.74x = 21,203,030.97
  5. Step 5: Solve for x
    x = 21,203,030.97/4,516.74
  6. Step 6: Final answer
    x = 4,694.32

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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.