Home / 4,188.72-6,282.48-2,738.16

Finding the Fourth Proportional to 4,188.72, 6,282.48 and 2,738.16

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Solution

The fourth proportional to 4,188.72, 6,282.48 and 2,738.16 is: 4,106.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,188.72 : 6,282.48 = 2,738.16 : x
  2. Step 2: Convert to fraction form
    4,188.72/6,282.48 = 2,738.16/x
  3. Step 3: Cross multiply
    4,188.72x = 6,282.48 × 2,738.16
  4. Step 4: Simplify right side
    4,188.72x = 17,202,435.44
  5. Step 5: Solve for x
    x = 17,202,435.44/4,188.72
  6. Step 6: Final answer
    x = 4,106.85

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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.