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Finding the Fourth Proportional to 6.36, 9.50 and 6.12

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Solution

The fourth proportional to 6.36, 9.50 and 6.12 is: 9.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6.36 : 9.50 = 6.12 : x
  2. Step 2: Convert to fraction form
    6.36/9.50 = 6.12/x
  3. Step 3: Cross multiply
    6.36x = 9.50 × 6.12
  4. Step 4: Simplify right side
    6.36x = 58.11
  5. Step 5: Solve for x
    x = 58.11/6.36
  6. Step 6: Final answer
    x = 9.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.