Home / 4,279.44-6,376.88-3,843.40

Finding the Fourth Proportional to 4,279.44, 6,376.88 and 3,843.40

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Solution

The fourth proportional to 4,279.44, 6,376.88 and 3,843.40 is: 5,727.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.44 : 6,376.88 = 3,843.40 : x
  2. Step 2: Convert to fraction form
    4,279.44/6,376.88 = 3,843.40/x
  3. Step 3: Cross multiply
    4,279.44x = 6,376.88 × 3,843.40
  4. Step 4: Simplify right side
    4,279.44x = 24,508,900.59
  5. Step 5: Solve for x
    x = 24,508,900.59/4,279.44
  6. Step 6: Final answer
    x = 5,727.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.