Home / 8,136.54-12,205.61-3,755.25

Finding the Fourth Proportional to 8,136.54, 12,205.61 and 3,755.25

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Solution

The fourth proportional to 8,136.54, 12,205.61 and 3,755.25 is: 5,633.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.54 : 12,205.61 = 3,755.25 : x
  2. Step 2: Convert to fraction form
    8,136.54/12,205.61 = 3,755.25/x
  3. Step 3: Cross multiply
    8,136.54x = 12,205.61 × 3,755.25
  4. Step 4: Simplify right side
    8,136.54x = 45,835,098.18
  5. Step 5: Solve for x
    x = 45,835,098.18/8,136.54
  6. Step 6: Final answer
    x = 5,633.24

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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.