Home / 4,199.55-6,305.40-3,166.80

Finding the Fourth Proportional to 4,199.55, 6,305.40 and 3,166.80

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Solution

The fourth proportional to 4,199.55, 6,305.40 and 3,166.80 is: 4,754.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,199.55 : 6,305.40 = 3,166.80 : x
  2. Step 2: Convert to fraction form
    4,199.55/6,305.40 = 3,166.80/x
  3. Step 3: Cross multiply
    4,199.55x = 6,305.40 × 3,166.80
  4. Step 4: Simplify right side
    4,199.55x = 19,967,940.72
  5. Step 5: Solve for x
    x = 19,967,940.72/4,199.55
  6. Step 6: Final answer
    x = 4,754.78

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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.