Home / 8,413.22-12,619.87-2,569.82

Finding the Fourth Proportional to 8,413.22, 12,619.87 and 2,569.82

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Solution

The fourth proportional to 8,413.22, 12,619.87 and 2,569.82 is: 3,854.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.22 : 12,619.87 = 2,569.82 : x
  2. Step 2: Convert to fraction form
    8,413.22/12,619.87 = 2,569.82/x
  3. Step 3: Cross multiply
    8,413.22x = 12,619.87 × 2,569.82
  4. Step 4: Simplify right side
    8,413.22x = 32,430,724.80
  5. Step 5: Solve for x
    x = 32,430,724.80/8,413.22
  6. Step 6: Final answer
    x = 3,854.73

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1.5x scale

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.