Home / 5,212.00-7,192.57-2,821.97

Finding the Fourth Proportional to 5,212.00, 7,192.57 and 2,821.97

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Solution

The fourth proportional to 5,212.00, 7,192.57 and 2,821.97 is: 3,894.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.00 : 7,192.57 = 2,821.97 : x
  2. Step 2: Convert to fraction form
    5,212.00/7,192.57 = 2,821.97/x
  3. Step 3: Cross multiply
    5,212.00x = 7,192.57 × 2,821.97
  4. Step 4: Simplify right side
    5,212.00x = 20,297,227.69
  5. Step 5: Solve for x
    x = 20,297,227.69/5,212.00
  6. Step 6: Final answer
    x = 3,894.33

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1.5x scale

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.