Home / 5,201.82-7,806.96-2,738.16

Finding the Fourth Proportional to 5,201.82, 7,806.96 and 2,738.16

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Solution

The fourth proportional to 5,201.82, 7,806.96 and 2,738.16 is: 4,109.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,201.82 : 7,806.96 = 2,738.16 : x
  2. Step 2: Convert to fraction form
    5,201.82/7,806.96 = 2,738.16/x
  3. Step 3: Cross multiply
    5,201.82x = 7,806.96 × 2,738.16
  4. Step 4: Simplify right side
    5,201.82x = 21,376,705.59
  5. Step 5: Solve for x
    x = 21,376,705.59/5,201.82
  6. Step 6: Final answer
    x = 4,109.47

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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.