Home / 8,136.86-12,205.50-2,293.25

Finding the Fourth Proportional to 8,136.86, 12,205.50 and 2,293.25

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Solution

The fourth proportional to 8,136.86, 12,205.50 and 2,293.25 is: 3,439.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.86 : 12,205.50 = 2,293.25 : x
  2. Step 2: Convert to fraction form
    8,136.86/12,205.50 = 2,293.25/x
  3. Step 3: Cross multiply
    8,136.86x = 12,205.50 × 2,293.25
  4. Step 4: Simplify right side
    8,136.86x = 27,990,251.41
  5. Step 5: Solve for x
    x = 27,990,251.41/8,136.86
  6. Step 6: Final answer
    x = 3,439.93

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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.