Home / 7,244-9,997.22-4,100.20

Finding the Fourth Proportional to 7,244, 9,997.22 and 4,100.20

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Solution

The fourth proportional to 7,244, 9,997.22 and 4,100.20 is: 5,658.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,244 : 9,997.22 = 4,100.20 : x
  2. Step 2: Convert to fraction form
    7,244/9,997.22 = 4,100.20/x
  3. Step 3: Cross multiply
    7,244x = 9,997.22 × 4,100.20
  4. Step 4: Simplify right side
    7,244x = 40,990,601.44
  5. Step 5: Solve for x
    x = 40,990,601.44/7,244
  6. Step 6: Final answer
    x = 5,658.56

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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.