Home / 7,934.63-11,902.62-2,091.26

Finding the Fourth Proportional to 7,934.63, 11,902.62 and 2,091.26

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Solution

The fourth proportional to 7,934.63, 11,902.62 and 2,091.26 is: 3,137.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,934.63 : 11,902.62 = 2,091.26 : x
  2. Step 2: Convert to fraction form
    7,934.63/11,902.62 = 2,091.26/x
  3. Step 3: Cross multiply
    7,934.63x = 11,902.62 × 2,091.26
  4. Step 4: Simplify right side
    7,934.63x = 24,891,413.59
  5. Step 5: Solve for x
    x = 24,891,413.59/7,934.63
  6. Step 6: Final answer
    x = 3,137.06

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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.