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Finding the Fourth Proportional to 9,125.16, 13,687.79 and 2,969.16

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Solution

The fourth proportional to 9,125.16, 13,687.79 and 2,969.16 is: 4,453.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,125.16 : 13,687.79 = 2,969.16 : x
  2. Step 2: Convert to fraction form
    9,125.16/13,687.79 = 2,969.16/x
  3. Step 3: Cross multiply
    9,125.16x = 13,687.79 × 2,969.16
  4. Step 4: Simplify right side
    9,125.16x = 40,641,172.38
  5. Step 5: Solve for x
    x = 40,641,172.38/9,125.16
  6. Step 6: Final answer
    x = 4,453.75

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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.