Home / 8,413.25-12,618.24-2,866.55

Finding the Fourth Proportional to 8,413.25, 12,618.24 and 2,866.55

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Solution

The fourth proportional to 8,413.25, 12,618.24 and 2,866.55 is: 4,299.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.25 : 12,618.24 = 2,866.55 : x
  2. Step 2: Convert to fraction form
    8,413.25/12,618.24 = 2,866.55/x
  3. Step 3: Cross multiply
    8,413.25x = 12,618.24 × 2,866.55
  4. Step 4: Simplify right side
    8,413.25x = 36,170,815.87
  5. Step 5: Solve for x
    x = 36,170,815.87/8,413.25
  6. Step 6: Final answer
    x = 4,299.27

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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.