Home / 7,318.80-10,975.46-2,320.59

Finding the Fourth Proportional to 7,318.80, 10,975.46 and 2,320.59

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Solution

The fourth proportional to 7,318.80, 10,975.46 and 2,320.59 is: 3,480.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.80 : 10,975.46 = 2,320.59 : x
  2. Step 2: Convert to fraction form
    7,318.80/10,975.46 = 2,320.59/x
  3. Step 3: Cross multiply
    7,318.80x = 10,975.46 × 2,320.59
  4. Step 4: Simplify right side
    7,318.80x = 25,469,542.72
  5. Step 5: Solve for x
    x = 25,469,542.72/7,318.80
  6. Step 6: Final answer
    x = 3,480.02

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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.