Home / 6,728.40-10,092.28-2,111.44

Finding the Fourth Proportional to 6,728.40, 10,092.28 and 2,111.44

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Solution

The fourth proportional to 6,728.40, 10,092.28 and 2,111.44 is: 3,167.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,728.40 : 10,092.28 = 2,111.44 : x
  2. Step 2: Convert to fraction form
    6,728.40/10,092.28 = 2,111.44/x
  3. Step 3: Cross multiply
    6,728.40x = 10,092.28 × 2,111.44
  4. Step 4: Simplify right side
    6,728.40x = 21,309,243.68
  5. Step 5: Solve for x
    x = 21,309,243.68/6,728.40
  6. Step 6: Final answer
    x = 3,167.06

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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.