Home / 8,413.07-12,620.82-2,568.92

Finding the Fourth Proportional to 8,413.07, 12,620.82 and 2,568.92

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Solution

The fourth proportional to 8,413.07, 12,620.82 and 2,568.92 is: 3,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.07 : 12,620.82 = 2,568.92 : x
  2. Step 2: Convert to fraction form
    8,413.07/12,620.82 = 2,568.92/x
  3. Step 3: Cross multiply
    8,413.07x = 12,620.82 × 2,568.92
  4. Step 4: Simplify right side
    8,413.07x = 32,421,813.81
  5. Step 5: Solve for x
    x = 32,421,813.81/8,413.07
  6. Step 6: Final answer
    x = 3,853.75

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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.