Home / 7,222.75-10,834.17-2,605.75

Finding the Fourth Proportional to 7,222.75, 10,834.17 and 2,605.75

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Solution

The fourth proportional to 7,222.75, 10,834.17 and 2,605.75 is: 3,908.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,222.75 : 10,834.17 = 2,605.75 : x
  2. Step 2: Convert to fraction form
    7,222.75/10,834.17 = 2,605.75/x
  3. Step 3: Cross multiply
    7,222.75x = 10,834.17 × 2,605.75
  4. Step 4: Simplify right side
    7,222.75x = 28,231,138.48
  5. Step 5: Solve for x
    x = 28,231,138.48/7,222.75
  6. Step 6: Final answer
    x = 3,908.64

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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.