Home / 7,382.54-11,072.29-2,116.38

Finding the Fourth Proportional to 7,382.54, 11,072.29 and 2,116.38

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Solution

The fourth proportional to 7,382.54, 11,072.29 and 2,116.38 is: 3,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,382.54 : 11,072.29 = 2,116.38 : x
  2. Step 2: Convert to fraction form
    7,382.54/11,072.29 = 2,116.38/x
  3. Step 3: Cross multiply
    7,382.54x = 11,072.29 × 2,116.38
  4. Step 4: Simplify right side
    7,382.54x = 23,433,173.11
  5. Step 5: Solve for x
    x = 23,433,173.11/7,382.54
  6. Step 6: Final answer
    x = 3,174.13

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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.