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Finding the Fourth Proportional to 8,110.53, 11,185.02 and 5,121.16

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Solution

The fourth proportional to 8,110.53, 11,185.02 and 5,121.16 is: 7,062.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.53 : 11,185.02 = 5,121.16 : x
  2. Step 2: Convert to fraction form
    8,110.53/11,185.02 = 5,121.16/x
  3. Step 3: Cross multiply
    8,110.53x = 11,185.02 × 5,121.16
  4. Step 4: Simplify right side
    8,110.53x = 57,280,249.06
  5. Step 5: Solve for x
    x = 57,280,249.06/8,110.53
  6. Step 6: Final answer
    x = 7,062.45

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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.