Home / 8,413.70-12,621.92-2,568.94

Finding the Fourth Proportional to 8,413.70, 12,621.92 and 2,568.94

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Solution

The fourth proportional to 8,413.70, 12,621.92 and 2,568.94 is: 3,853.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.70 : 12,621.92 = 2,568.94 : x
  2. Step 2: Convert to fraction form
    8,413.70/12,621.92 = 2,568.94/x
  3. Step 3: Cross multiply
    8,413.70x = 12,621.92 × 2,568.94
  4. Step 4: Simplify right side
    8,413.70x = 32,424,910.77
  5. Step 5: Solve for x
    x = 32,424,910.77/8,413.70
  6. Step 6: Final answer
    x = 3,853.83

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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.