Home / 8,413.91-12,619.10-2,867.21

Finding the Fourth Proportional to 8,413.91, 12,619.10 and 2,867.21

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Solution

The fourth proportional to 8,413.91, 12,619.10 and 2,867.21 is: 4,300.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,413.91 : 12,619.10 = 2,867.21 : x
  2. Step 2: Convert to fraction form
    8,413.91/12,619.10 = 2,867.21/x
  3. Step 3: Cross multiply
    8,413.91x = 12,619.10 × 2,867.21
  4. Step 4: Simplify right side
    8,413.91x = 36,181,546.62
  5. Step 5: Solve for x
    x = 36,181,546.62/8,413.91
  6. Step 6: Final answer
    x = 4,300.21

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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.