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Finding the Fourth Proportional to 8,538.06, 12,812.04 and 3,607.38

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Solution

The fourth proportional to 8,538.06, 12,812.04 and 3,607.38 is: 5,413.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,538.06 : 12,812.04 = 3,607.38 : x
  2. Step 2: Convert to fraction form
    8,538.06/12,812.04 = 3,607.38/x
  3. Step 3: Cross multiply
    8,538.06x = 12,812.04 × 3,607.38
  4. Step 4: Simplify right side
    8,538.06x = 46,217,896.86
  5. Step 5: Solve for x
    x = 46,217,896.86/8,538.06
  6. Step 6: Final answer
    x = 5,413.16

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.