Home / 8,413.20-12,616.11-2,865.02

Finding the Fourth Proportional to 8,413.20, 12,616.11 and 2,865.02

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Solution

The fourth proportional to 8,413.20, 12,616.11 and 2,865.02 is: 4,296.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.20 : 12,616.11 = 2,865.02 : x
  2. Step 2: Convert to fraction form
    8,413.20/12,616.11 = 2,865.02/x
  3. Step 3: Cross multiply
    8,413.20x = 12,616.11 × 2,865.02
  4. Step 4: Simplify right side
    8,413.20x = 36,145,344.39
  5. Step 5: Solve for x
    x = 36,145,344.39/8,413.20
  6. Step 6: Final answer
    x = 4,296.27

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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.