Home / 8,125.23-12,190.56-3,739.38

Finding the Fourth Proportional to 8,125.23, 12,190.56 and 3,739.38

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Solution

The fourth proportional to 8,125.23, 12,190.56 and 3,739.38 is: 5,610.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,125.23 : 12,190.56 = 3,739.38 : x
  2. Step 2: Convert to fraction form
    8,125.23/12,190.56 = 3,739.38/x
  3. Step 3: Cross multiply
    8,125.23x = 12,190.56 × 3,739.38
  4. Step 4: Simplify right side
    8,125.23x = 45,585,136.25
  5. Step 5: Solve for x
    x = 45,585,136.25/8,125.23
  6. Step 6: Final answer
    x = 5,610.32

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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.