Home / 7,318.32-10,976.97-2,387.85

Finding the Fourth Proportional to 7,318.32, 10,976.97 and 2,387.85

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Solution

The fourth proportional to 7,318.32, 10,976.97 and 2,387.85 is: 3,581.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.32 : 10,976.97 = 2,387.85 : x
  2. Step 2: Convert to fraction form
    7,318.32/10,976.97 = 2,387.85/x
  3. Step 3: Cross multiply
    7,318.32x = 10,976.97 × 2,387.85
  4. Step 4: Simplify right side
    7,318.32x = 26,211,357.81
  5. Step 5: Solve for x
    x = 26,211,357.81/7,318.32
  6. Step 6: Final answer
    x = 3,581.61

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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.