Home / 7,837.96-11,757.62-2,571.39

Finding the Fourth Proportional to 7,837.96, 11,757.62 and 2,571.39

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Solution

The fourth proportional to 7,837.96, 11,757.62 and 2,571.39 is: 3,857.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,837.96 : 11,757.62 = 2,571.39 : x
  2. Step 2: Convert to fraction form
    7,837.96/11,757.62 = 2,571.39/x
  3. Step 3: Cross multiply
    7,837.96x = 11,757.62 × 2,571.39
  4. Step 4: Simplify right side
    7,837.96x = 30,233,413.63
  5. Step 5: Solve for x
    x = 30,233,413.63/7,837.96
  6. Step 6: Final answer
    x = 3,857.31

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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.