Home / 4,286.13-5,921.42-3,663.11

Finding the Fourth Proportional to 4,286.13, 5,921.42 and 3,663.11

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Solution

The fourth proportional to 4,286.13, 5,921.42 and 3,663.11 is: 5,060.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,286.13 : 5,921.42 = 3,663.11 : x
  2. Step 2: Convert to fraction form
    4,286.13/5,921.42 = 3,663.11/x
  3. Step 3: Cross multiply
    4,286.13x = 5,921.42 × 3,663.11
  4. Step 4: Simplify right side
    4,286.13x = 21,690,812.82
  5. Step 5: Solve for x
    x = 21,690,812.82/4,286.13
  6. Step 6: Final answer
    x = 5,060.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.