Home / 8,942.47-13,413.77-3,394.32

Finding the Fourth Proportional to 8,942.47, 13,413.77 and 3,394.32

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Solution

The fourth proportional to 8,942.47, 13,413.77 and 3,394.32 is: 5,091.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,942.47 : 13,413.77 = 3,394.32 : x
  2. Step 2: Convert to fraction form
    8,942.47/13,413.77 = 3,394.32/x
  3. Step 3: Cross multiply
    8,942.47x = 13,413.77 × 3,394.32
  4. Step 4: Simplify right side
    8,942.47x = 45,530,573.24
  5. Step 5: Solve for x
    x = 45,530,573.24/8,942.47
  6. Step 6: Final answer
    x = 5,091.50

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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.