Home / 4,172.88-6,265.80-3,790.56

Finding the Fourth Proportional to 4,172.88, 6,265.80 and 3,790.56

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Solution

The fourth proportional to 4,172.88, 6,265.80 and 3,790.56 is: 5,691.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,172.88 : 6,265.80 = 3,790.56 : x
  2. Step 2: Convert to fraction form
    4,172.88/6,265.80 = 3,790.56/x
  3. Step 3: Cross multiply
    4,172.88x = 6,265.80 × 3,790.56
  4. Step 4: Simplify right side
    4,172.88x = 23,750,890.85
  5. Step 5: Solve for x
    x = 23,750,890.85/4,172.88
  6. Step 6: Final answer
    x = 5,691.73

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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.