Home / 8,136.24-12,200.04-3,205.68

Finding the Fourth Proportional to 8,136.24, 12,200.04 and 3,205.68

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Solution

The fourth proportional to 8,136.24, 12,200.04 and 3,205.68 is: 4,806.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.24 : 12,200.04 = 3,205.68 : x
  2. Step 2: Convert to fraction form
    8,136.24/12,200.04 = 3,205.68/x
  3. Step 3: Cross multiply
    8,136.24x = 12,200.04 × 3,205.68
  4. Step 4: Simplify right side
    8,136.24x = 39,109,424.23
  5. Step 5: Solve for x
    x = 39,109,424.23/8,136.24
  6. Step 6: Final answer
    x = 4,806.82

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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.