Home / 6,857.06-10,286.14-3,393.50

Finding the Fourth Proportional to 6,857.06, 10,286.14 and 3,393.50

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Solution

The fourth proportional to 6,857.06, 10,286.14 and 3,393.50 is: 5,090.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,857.06 : 10,286.14 = 3,393.50 : x
  2. Step 2: Convert to fraction form
    6,857.06/10,286.14 = 3,393.50/x
  3. Step 3: Cross multiply
    6,857.06x = 10,286.14 × 3,393.50
  4. Step 4: Simplify right side
    6,857.06x = 34,906,016.09
  5. Step 5: Solve for x
    x = 34,906,016.09/6,857.06
  6. Step 6: Final answer
    x = 5,090.52

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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.