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Finding the Fourth Proportional to 7.36, 11 and 6.92

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Solution

The fourth proportional to 7.36, 11 and 6.92 is: 10.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    7.36 : 11 = 6.92 : x
  2. Step 2: Convert to fraction form
    7.36/11 = 6.92/x
  3. Step 3: Cross multiply
    7.36x = 11 × 6.92
  4. Step 4: Simplify right side
    7.36x = 76.12
  5. Step 5: Solve for x
    x = 76.12/7.36
  6. Step 6: Final answer
    x = 10.34

Related Problems

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1.5x scale

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.