Home / 7,240.57-10,861.74-2,559.61

Finding the Fourth Proportional to 7,240.57, 10,861.74 and 2,559.61

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Solution

The fourth proportional to 7,240.57, 10,861.74 and 2,559.61 is: 3,839.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,240.57 : 10,861.74 = 2,559.61 : x
  2. Step 2: Convert to fraction form
    7,240.57/10,861.74 = 2,559.61/x
  3. Step 3: Cross multiply
    7,240.57x = 10,861.74 × 2,559.61
  4. Step 4: Simplify right side
    7,240.57x = 27,801,791.17
  5. Step 5: Solve for x
    x = 27,801,791.17/7,240.57
  6. Step 6: Final answer
    x = 3,839.73

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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.