Home / 6,857.46-10,279.71-2,700.18

Finding the Fourth Proportional to 6,857.46, 10,279.71 and 2,700.18

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Solution

The fourth proportional to 6,857.46, 10,279.71 and 2,700.18 is: 4,047.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.46 : 10,279.71 = 2,700.18 : x
  2. Step 2: Convert to fraction form
    6,857.46/10,279.71 = 2,700.18/x
  3. Step 3: Cross multiply
    6,857.46x = 10,279.71 × 2,700.18
  4. Step 4: Simplify right side
    6,857.46x = 27,757,067.35
  5. Step 5: Solve for x
    x = 27,757,067.35/6,857.46
  6. Step 6: Final answer
    x = 4,047.72

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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.