Home / 8,468.28-12,706.04-3,277.80

Finding the Fourth Proportional to 8,468.28, 12,706.04 and 3,277.80

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Solution

The fourth proportional to 8,468.28, 12,706.04 and 3,277.80 is: 4,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,468.28 : 12,706.04 = 3,277.80 : x
  2. Step 2: Convert to fraction form
    8,468.28/12,706.04 = 3,277.80/x
  3. Step 3: Cross multiply
    8,468.28x = 12,706.04 × 3,277.80
  4. Step 4: Simplify right side
    8,468.28x = 41,647,857.91
  5. Step 5: Solve for x
    x = 41,647,857.91/8,468.28
  6. Step 6: Final answer
    x = 4,918.10

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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.