Home / 6,887.31-10,330.97-2,728.29

Finding the Fourth Proportional to 6,887.31, 10,330.97 and 2,728.29

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Solution

The fourth proportional to 6,887.31, 10,330.97 and 2,728.29 is: 4,092.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,887.31 : 10,330.97 = 2,728.29 : x
  2. Step 2: Convert to fraction form
    6,887.31/10,330.97 = 2,728.29/x
  3. Step 3: Cross multiply
    6,887.31x = 10,330.97 × 2,728.29
  4. Step 4: Simplify right side
    6,887.31x = 28,185,868.50
  5. Step 5: Solve for x
    x = 28,185,868.50/6,887.31
  6. Step 6: Final answer
    x = 4,092.44

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Similar ratio
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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.