Home / 5,676.96-8,516.88-2,213.04

Finding the Fourth Proportional to 5,676.96, 8,516.88 and 2,213.04

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Solution

The fourth proportional to 5,676.96, 8,516.88 and 2,213.04 is: 3,320.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,676.96 : 8,516.88 = 2,213.04 : x
  2. Step 2: Convert to fraction form
    5,676.96/8,516.88 = 2,213.04/x
  3. Step 3: Cross multiply
    5,676.96x = 8,516.88 × 2,213.04
  4. Step 4: Simplify right side
    5,676.96x = 18,848,196.12
  5. Step 5: Solve for x
    x = 18,848,196.12/5,676.96
  6. Step 6: Final answer
    x = 3,320.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.