Home / 6,731.62-10,091.76-3,219.64

Finding the Fourth Proportional to 6,731.62, 10,091.76 and 3,219.64

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Solution

The fourth proportional to 6,731.62, 10,091.76 and 3,219.64 is: 4,826.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,731.62 : 10,091.76 = 3,219.64 : x
  2. Step 2: Convert to fraction form
    6,731.62/10,091.76 = 3,219.64/x
  3. Step 3: Cross multiply
    6,731.62x = 10,091.76 × 3,219.64
  4. Step 4: Simplify right side
    6,731.62x = 32,491,834.17
  5. Step 5: Solve for x
    x = 32,491,834.17/6,731.62
  6. Step 6: Final answer
    x = 4,826.75

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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.