Home / 4,220.44-6,318.42-3,184.72

Finding the Fourth Proportional to 4,220.44, 6,318.42 and 3,184.72

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Solution

The fourth proportional to 4,220.44, 6,318.42 and 3,184.72 is: 4,767.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,220.44 : 6,318.42 = 3,184.72 : x
  2. Step 2: Convert to fraction form
    4,220.44/6,318.42 = 3,184.72/x
  3. Step 3: Cross multiply
    4,220.44x = 6,318.42 × 3,184.72
  4. Step 4: Simplify right side
    4,220.44x = 20,122,398.54
  5. Step 5: Solve for x
    x = 20,122,398.54/4,220.44
  6. Step 6: Final answer
    x = 4,767.84

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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.