Home / 8,413.45-12,620.22-2,867.38

Finding the Fourth Proportional to 8,413.45, 12,620.22 and 2,867.38

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Solution

The fourth proportional to 8,413.45, 12,620.22 and 2,867.38 is: 4,301.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.45 : 12,620.22 = 2,867.38 : x
  2. Step 2: Convert to fraction form
    8,413.45/12,620.22 = 2,867.38/x
  3. Step 3: Cross multiply
    8,413.45x = 12,620.22 × 2,867.38
  4. Step 4: Simplify right side
    8,413.45x = 36,186,966.42
  5. Step 5: Solve for x
    x = 36,186,966.42/8,413.45
  6. Step 6: Final answer
    x = 4,301.09

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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.