Home / 7,138.14-10,704.54-2,456.82

Finding the Fourth Proportional to 7,138.14, 10,704.54 and 2,456.82

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Solution

The fourth proportional to 7,138.14, 10,704.54 and 2,456.82 is: 3,684.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,138.14 : 10,704.54 = 2,456.82 : x
  2. Step 2: Convert to fraction form
    7,138.14/10,704.54 = 2,456.82/x
  3. Step 3: Cross multiply
    7,138.14x = 10,704.54 × 2,456.82
  4. Step 4: Simplify right side
    7,138.14x = 26,299,127.96
  5. Step 5: Solve for x
    x = 26,299,127.96/7,138.14
  6. Step 6: Final answer
    x = 3,684.31

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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.