Home / 4,186.43-6,279.83-1,375.44

Finding the Fourth Proportional to 4,186.43, 6,279.83 and 1,375.44

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Solution

The fourth proportional to 4,186.43, 6,279.83 and 1,375.44 is: 2,063.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.43 : 6,279.83 = 1,375.44 : x
  2. Step 2: Convert to fraction form
    4,186.43/6,279.83 = 1,375.44/x
  3. Step 3: Cross multiply
    4,186.43x = 6,279.83 × 1,375.44
  4. Step 4: Simplify right side
    4,186.43x = 8,637,529.38
  5. Step 5: Solve for x
    x = 8,637,529.38/4,186.43
  6. Step 6: Final answer
    x = 2,063.22

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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.