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Finding the Fourth Proportional to 6,872.52, 10,236.39 and 6,728.52

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Solution

The fourth proportional to 6,872.52, 10,236.39 and 6,728.52 is: 10,021.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,872.52 : 10,236.39 = 6,728.52 : x
  2. Step 2: Convert to fraction form
    6,872.52/10,236.39 = 6,728.52/x
  3. Step 3: Cross multiply
    6,872.52x = 10,236.39 × 6,728.52
  4. Step 4: Simplify right side
    6,872.52x = 68,875,754.84
  5. Step 5: Solve for x
    x = 68,875,754.84/6,872.52
  6. Step 6: Final answer
    x = 10,021.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.