Home / 4,902.84-7,351.82-2,091.23

Finding the Fourth Proportional to 4,902.84, 7,351.82 and 2,091.23

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Solution

The fourth proportional to 4,902.84, 7,351.82 and 2,091.23 is: 3,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,902.84 : 7,351.82 = 2,091.23 : x
  2. Step 2: Convert to fraction form
    4,902.84/7,351.82 = 2,091.23/x
  3. Step 3: Cross multiply
    4,902.84x = 7,351.82 × 2,091.23
  4. Step 4: Simplify right side
    4,902.84x = 15,374,346.54
  5. Step 5: Solve for x
    x = 15,374,346.54/4,902.84
  6. Step 6: Final answer
    x = 3,135.81

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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.