Home / 5,294.35-7,305.15-3,198.48

Finding the Fourth Proportional to 5,294.35, 7,305.15 and 3,198.48

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Solution

The fourth proportional to 5,294.35, 7,305.15 and 3,198.48 is: 4,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,294.35 : 7,305.15 = 3,198.48 : x
  2. Step 2: Convert to fraction form
    5,294.35/7,305.15 = 3,198.48/x
  3. Step 3: Cross multiply
    5,294.35x = 7,305.15 × 3,198.48
  4. Step 4: Simplify right side
    5,294.35x = 23,365,376.17
  5. Step 5: Solve for x
    x = 23,365,376.17/5,294.35
  6. Step 6: Final answer
    x = 4,413.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.