Home / 8,136.14-12,206.07-2,942.01

Finding the Fourth Proportional to 8,136.14, 12,206.07 and 2,942.01

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Solution

The fourth proportional to 8,136.14, 12,206.07 and 2,942.01 is: 4,413.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,136.14 : 12,206.07 = 2,942.01 : x
  2. Step 2: Convert to fraction form
    8,136.14/12,206.07 = 2,942.01/x
  3. Step 3: Cross multiply
    8,136.14x = 12,206.07 × 2,942.01
  4. Step 4: Simplify right side
    8,136.14x = 35,910,380.00
  5. Step 5: Solve for x
    x = 35,910,380.00/8,136.14
  6. Step 6: Final answer
    x = 4,413.69

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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.