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Finding the Fourth Proportional to 8,793.30, 13,183.20 and 4,413.90

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Solution

The fourth proportional to 8,793.30, 13,183.20 and 4,413.90 is: 6,617.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,793.30 : 13,183.20 = 4,413.90 : x
  2. Step 2: Convert to fraction form
    8,793.30/13,183.20 = 4,413.90/x
  3. Step 3: Cross multiply
    8,793.30x = 13,183.20 × 4,413.90
  4. Step 4: Simplify right side
    8,793.30x = 58,189,326.48
  5. Step 5: Solve for x
    x = 58,189,326.48/8,793.30
  6. Step 6: Final answer
    x = 6,617.46

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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.