Home / 6,857.46-10,286.56-2,177.82

Finding the Fourth Proportional to 6,857.46, 10,286.56 and 2,177.82

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Solution

The fourth proportional to 6,857.46, 10,286.56 and 2,177.82 is: 3,266.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.46 : 10,286.56 = 2,177.82 : x
  2. Step 2: Convert to fraction form
    6,857.46/10,286.56 = 2,177.82/x
  3. Step 3: Cross multiply
    6,857.46x = 10,286.56 × 2,177.82
  4. Step 4: Simplify right side
    6,857.46x = 22,402,276.10
  5. Step 5: Solve for x
    x = 22,402,276.10/6,857.46
  6. Step 6: Final answer
    x = 3,266.85

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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.