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Finding the Fourth Proportional to 4, 5.97 and 3.99

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Solution

The fourth proportional to 4, 5.97 and 3.99 is: 5.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4 : 5.97 = 3.99 : x
  2. Step 2: Convert to fraction form
    4/5.97 = 3.99/x
  3. Step 3: Cross multiply
    4x = 5.97 × 3.99
  4. Step 4: Simplify right side
    4x = 23.82
  5. Step 5: Solve for x
    x = 23.82/4
  6. Step 6: Final answer
    x = 5.96

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.