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Finding the Fourth Proportional to 6,808.65, 10,203.24 and 3,880.92

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Solution

The fourth proportional to 6,808.65, 10,203.24 and 3,880.92 is: 5,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,808.65 : 10,203.24 = 3,880.92 : x
  2. Step 2: Convert to fraction form
    6,808.65/10,203.24 = 3,880.92/x
  3. Step 3: Cross multiply
    6,808.65x = 10,203.24 × 3,880.92
  4. Step 4: Simplify right side
    6,808.65x = 39,597,958.18
  5. Step 5: Solve for x
    x = 39,597,958.18/6,808.65
  6. Step 6: Final answer
    x = 5,815.83

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1.5x scale

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.