Home / 7,286.46-10,930.34-2,021.79

Finding the Fourth Proportional to 7,286.46, 10,930.34 and 2,021.79

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Solution

The fourth proportional to 7,286.46, 10,930.34 and 2,021.79 is: 3,032.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.46 : 10,930.34 = 2,021.79 : x
  2. Step 2: Convert to fraction form
    7,286.46/10,930.34 = 2,021.79/x
  3. Step 3: Cross multiply
    7,286.46x = 10,930.34 × 2,021.79
  4. Step 4: Simplify right side
    7,286.46x = 22,098,898.15
  5. Step 5: Solve for x
    x = 22,098,898.15/7,286.46
  6. Step 6: Final answer
    x = 3,032.87

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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.