Home / 6,220.46-8,584.21-3,425.96

Finding the Fourth Proportional to 6,220.46, 8,584.21 and 3,425.96

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Solution

The fourth proportional to 6,220.46, 8,584.21 and 3,425.96 is: 4,727.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,220.46 : 8,584.21 = 3,425.96 : x
  2. Step 2: Convert to fraction form
    6,220.46/8,584.21 = 3,425.96/x
  3. Step 3: Cross multiply
    6,220.46x = 8,584.21 × 3,425.96
  4. Step 4: Simplify right side
    6,220.46x = 29,409,160.09
  5. Step 5: Solve for x
    x = 29,409,160.09/6,220.46
  6. Step 6: Final answer
    x = 4,727.81

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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.