Home / 6,857.66-10,286.89-1,927.69

Finding the Fourth Proportional to 6,857.66, 10,286.89 and 1,927.69

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Solution

The fourth proportional to 6,857.66, 10,286.89 and 1,927.69 is: 2,891.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.66 : 10,286.89 = 1,927.69 : x
  2. Step 2: Convert to fraction form
    6,857.66/10,286.89 = 1,927.69/x
  3. Step 3: Cross multiply
    6,857.66x = 10,286.89 × 1,927.69
  4. Step 4: Simplify right side
    6,857.66x = 19,829,934.98
  5. Step 5: Solve for x
    x = 19,829,934.98/6,857.66
  6. Step 6: Final answer
    x = 2,891.65

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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.