Home / 5,119.27-7,663.11-2,864.63

Finding the Fourth Proportional to 5,119.27, 7,663.11 and 2,864.63

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Solution

The fourth proportional to 5,119.27, 7,663.11 and 2,864.63 is: 4,288.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,119.27 : 7,663.11 = 2,864.63 : x
  2. Step 2: Convert to fraction form
    5,119.27/7,663.11 = 2,864.63/x
  3. Step 3: Cross multiply
    5,119.27x = 7,663.11 × 2,864.63
  4. Step 4: Simplify right side
    5,119.27x = 21,951,983.21
  5. Step 5: Solve for x
    x = 21,951,983.21/5,119.27
  6. Step 6: Final answer
    x = 4,288.11

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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.