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Finding the Fourth Proportional to 8,951.65, 12,353.25 and 5,413.84

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Solution

The fourth proportional to 8,951.65, 12,353.25 and 5,413.84 is: 7,471.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,951.65 : 12,353.25 = 5,413.84 : x
  2. Step 2: Convert to fraction form
    8,951.65/12,353.25 = 5,413.84/x
  3. Step 3: Cross multiply
    8,951.65x = 12,353.25 × 5,413.84
  4. Step 4: Simplify right side
    8,951.65x = 66,878,518.98
  5. Step 5: Solve for x
    x = 66,878,518.98/8,951.65
  6. Step 6: Final answer
    x = 7,471.08

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.