Home / 8,136.84-12,198.78-3,752.04

Finding the Fourth Proportional to 8,136.84, 12,198.78 and 3,752.04

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Solution

The fourth proportional to 8,136.84, 12,198.78 and 3,752.04 is: 5,625.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.84 : 12,198.78 = 3,752.04 : x
  2. Step 2: Convert to fraction form
    8,136.84/12,198.78 = 3,752.04/x
  3. Step 3: Cross multiply
    8,136.84x = 12,198.78 × 3,752.04
  4. Step 4: Simplify right side
    8,136.84x = 45,770,310.51
  5. Step 5: Solve for x
    x = 45,770,310.51/8,136.84
  6. Step 6: Final answer
    x = 5,625.07

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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.