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Finding the Fourth Proportional to 8,798.22, 13,194.90 and 4,413.69

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Solution

The fourth proportional to 8,798.22, 13,194.90 and 4,413.69 is: 6,619.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,798.22 : 13,194.90 = 4,413.69 : x
  2. Step 2: Convert to fraction form
    8,798.22/13,194.90 = 4,413.69/x
  3. Step 3: Cross multiply
    8,798.22x = 13,194.90 × 4,413.69
  4. Step 4: Simplify right side
    8,798.22x = 58,238,198.18
  5. Step 5: Solve for x
    x = 58,238,198.18/8,798.22
  6. Step 6: Final answer
    x = 6,619.32

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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.