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Finding the Fourth Proportional to 5.03, 6.91 and 4.26

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Solution

The fourth proportional to 5.03, 6.91 and 4.26 is: 5.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5.03 : 6.91 = 4.26 : x
  2. Step 2: Convert to fraction form
    5.03/6.91 = 4.26/x
  3. Step 3: Cross multiply
    5.03x = 6.91 × 4.26
  4. Step 4: Simplify right side
    5.03x = 29.44
  5. Step 5: Solve for x
    x = 29.44/5.03
  6. Step 6: Final answer
    x = 5.85

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.