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Finding the Fourth Proportional to 6,799.92, 10,201.32 and 2,186.16

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Solution

The fourth proportional to 6,799.92, 10,201.32 and 2,186.16 is: 3,279.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,799.92 : 10,201.32 = 2,186.16 : x
  2. Step 2: Convert to fraction form
    6,799.92/10,201.32 = 2,186.16/x
  3. Step 3: Cross multiply
    6,799.92x = 10,201.32 × 2,186.16
  4. Step 4: Simplify right side
    6,799.92x = 22,301,717.73
  5. Step 5: Solve for x
    x = 22,301,717.73/6,799.92
  6. Step 6: Final answer
    x = 3,279.70

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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.