Home / 7,318.43-10,983.80-3,161.58

Finding the Fourth Proportional to 7,318.43, 10,983.80 and 3,161.58

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Solution

The fourth proportional to 7,318.43, 10,983.80 and 3,161.58 is: 4,745.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.43 : 10,983.80 = 3,161.58 : x
  2. Step 2: Convert to fraction form
    7,318.43/10,983.80 = 3,161.58/x
  3. Step 3: Cross multiply
    7,318.43x = 10,983.80 × 3,161.58
  4. Step 4: Simplify right side
    7,318.43x = 34,726,190.90
  5. Step 5: Solve for x
    x = 34,726,190.90/7,318.43
  6. Step 6: Final answer
    x = 4,745.04

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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.