Home / 6,889.05-10,334.94-2,728.28

Finding the Fourth Proportional to 6,889.05, 10,334.94 and 2,728.28

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Solution

The fourth proportional to 6,889.05, 10,334.94 and 2,728.28 is: 4,092.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,889.05 : 10,334.94 = 2,728.28 : x
  2. Step 2: Convert to fraction form
    6,889.05/10,334.94 = 2,728.28/x
  3. Step 3: Cross multiply
    6,889.05x = 10,334.94 × 2,728.28
  4. Step 4: Simplify right side
    6,889.05x = 28,196,641.06
  5. Step 5: Solve for x
    x = 28,196,641.06/6,889.05
  6. Step 6: Final answer
    x = 4,092.97

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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.