Home / 8,202.62-11,310.89-5,372.48

Finding the Fourth Proportional to 8,202.62, 11,310.89 and 5,372.48

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Solution

The fourth proportional to 8,202.62, 11,310.89 and 5,372.48 is: 7,408.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,202.62 : 11,310.89 = 5,372.48 : x
  2. Step 2: Convert to fraction form
    8,202.62/11,310.89 = 5,372.48/x
  3. Step 3: Cross multiply
    8,202.62x = 11,310.89 × 5,372.48
  4. Step 4: Simplify right side
    8,202.62x = 60,767,446.89
  5. Step 5: Solve for x
    x = 60,767,446.89/8,202.62
  6. Step 6: Final answer
    x = 7,408.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.