Home / 7,211.92-10,815.16-2,530.48

Finding the Fourth Proportional to 7,211.92, 10,815.16 and 2,530.48

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Solution

The fourth proportional to 7,211.92, 10,815.16 and 2,530.48 is: 3,794.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,211.92 : 10,815.16 = 2,530.48 : x
  2. Step 2: Convert to fraction form
    7,211.92/10,815.16 = 2,530.48/x
  3. Step 3: Cross multiply
    7,211.92x = 10,815.16 × 2,530.48
  4. Step 4: Simplify right side
    7,211.92x = 27,367,546.08
  5. Step 5: Solve for x
    x = 27,367,546.08/7,211.92
  6. Step 6: Final answer
    x = 3,794.77

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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.