Home / 6,450.94-8,900.20-3,761.55

Finding the Fourth Proportional to 6,450.94, 8,900.20 and 3,761.55

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Solution

The fourth proportional to 6,450.94, 8,900.20 and 3,761.55 is: 5,189.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,450.94 : 8,900.20 = 3,761.55 : x
  2. Step 2: Convert to fraction form
    6,450.94/8,900.20 = 3,761.55/x
  3. Step 3: Cross multiply
    6,450.94x = 8,900.20 × 3,761.55
  4. Step 4: Simplify right side
    6,450.94x = 33,478,530.85
  5. Step 5: Solve for x
    x = 33,478,530.85/6,450.94
  6. Step 6: Final answer
    x = 5,189.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.