Home / 5,226.42-7,212.60-2,868.66

Finding the Fourth Proportional to 5,226.42, 7,212.60 and 2,868.66

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Solution

The fourth proportional to 5,226.42, 7,212.60 and 2,868.66 is: 3,958.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,226.42 : 7,212.60 = 2,868.66 : x
  2. Step 2: Convert to fraction form
    5,226.42/7,212.60 = 2,868.66/x
  3. Step 3: Cross multiply
    5,226.42x = 7,212.60 × 2,868.66
  4. Step 4: Simplify right side
    5,226.42x = 20,690,497.12
  5. Step 5: Solve for x
    x = 20,690,497.12/5,226.42
  6. Step 6: Final answer
    x = 3,958.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.