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Finding the Fourth Proportional to 5,242.05, 7,230.25 and 3,003.11

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Solution

The fourth proportional to 5,242.05, 7,230.25 and 3,003.11 is: 4,142.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,242.05 : 7,230.25 = 3,003.11 : x
  2. Step 2: Convert to fraction form
    5,242.05/7,230.25 = 3,003.11/x
  3. Step 3: Cross multiply
    5,242.05x = 7,230.25 × 3,003.11
  4. Step 4: Simplify right side
    5,242.05x = 21,713,236.08
  5. Step 5: Solve for x
    x = 21,713,236.08/5,242.05
  6. Step 6: Final answer
    x = 4,142.13

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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.