Home / 8,110.94-12,161.75-3,174.80

Finding the Fourth Proportional to 8,110.94, 12,161.75 and 3,174.80

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Solution

The fourth proportional to 8,110.94, 12,161.75 and 3,174.80 is: 4,760.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,110.94 : 12,161.75 = 3,174.80 : x
  2. Step 2: Convert to fraction form
    8,110.94/12,161.75 = 3,174.80/x
  3. Step 3: Cross multiply
    8,110.94x = 12,161.75 × 3,174.80
  4. Step 4: Simplify right side
    8,110.94x = 38,611,047.22
  5. Step 5: Solve for x
    x = 38,611,047.22/8,110.94
  6. Step 6: Final answer
    x = 4,760.37

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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.