Home / 8,413.38-12,620.73-2,570.04

Finding the Fourth Proportional to 8,413.38, 12,620.73 and 2,570.04

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Solution

The fourth proportional to 8,413.38, 12,620.73 and 2,570.04 is: 3,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.38 : 12,620.73 = 2,570.04 : x
  2. Step 2: Convert to fraction form
    8,413.38/12,620.73 = 2,570.04/x
  3. Step 3: Cross multiply
    8,413.38x = 12,620.73 × 2,570.04
  4. Step 4: Simplify right side
    8,413.38x = 32,435,780.93
  5. Step 5: Solve for x
    x = 32,435,780.93/8,413.38
  6. Step 6: Final answer
    x = 3,855.26

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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.