Home / 5,192.88-7,792.44-2,072.24

Finding the Fourth Proportional to 5,192.88, 7,792.44 and 2,072.24

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Solution

The fourth proportional to 5,192.88, 7,792.44 and 2,072.24 is: 3,109.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,192.88 : 7,792.44 = 2,072.24 : x
  2. Step 2: Convert to fraction form
    5,192.88/7,792.44 = 2,072.24/x
  3. Step 3: Cross multiply
    5,192.88x = 7,792.44 × 2,072.24
  4. Step 4: Simplify right side
    5,192.88x = 16,147,805.87
  5. Step 5: Solve for x
    x = 16,147,805.87/5,192.88
  6. Step 6: Final answer
    x = 3,109.61

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1.5x scale

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.