Home / 4,812.33-7,215.39-3,163.88

Finding the Fourth Proportional to 4,812.33, 7,215.39 and 3,163.88

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Solution

The fourth proportional to 4,812.33, 7,215.39 and 3,163.88 is: 4,743.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,812.33 : 7,215.39 = 3,163.88 : x
  2. Step 2: Convert to fraction form
    4,812.33/7,215.39 = 3,163.88/x
  3. Step 3: Cross multiply
    4,812.33x = 7,215.39 × 3,163.88
  4. Step 4: Simplify right side
    4,812.33x = 22,828,628.11
  5. Step 5: Solve for x
    x = 22,828,628.11/4,812.33
  6. Step 6: Final answer
    x = 4,743.78

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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.