Home / 7,318.77-10,976.91-2,052.57

Finding the Fourth Proportional to 7,318.77, 10,976.91 and 2,052.57

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Solution

The fourth proportional to 7,318.77, 10,976.91 and 2,052.57 is: 3,078.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,318.77 : 10,976.91 = 2,052.57 : x
  2. Step 2: Convert to fraction form
    7,318.77/10,976.91 = 2,052.57/x
  3. Step 3: Cross multiply
    7,318.77x = 10,976.91 × 2,052.57
  4. Step 4: Simplify right side
    7,318.77x = 22,530,876.16
  5. Step 5: Solve for x
    x = 22,530,876.16/7,318.77
  6. Step 6: Final answer
    x = 3,078.51

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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.