Home / 7,071.62-10,610.19-2,141.75

Finding the Fourth Proportional to 7,071.62, 10,610.19 and 2,141.75

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Solution

The fourth proportional to 7,071.62, 10,610.19 and 2,141.75 is: 3,213.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,071.62 : 10,610.19 = 2,141.75 : x
  2. Step 2: Convert to fraction form
    7,071.62/10,610.19 = 2,141.75/x
  3. Step 3: Cross multiply
    7,071.62x = 10,610.19 × 2,141.75
  4. Step 4: Simplify right side
    7,071.62x = 22,724,400.96
  5. Step 5: Solve for x
    x = 22,724,400.96/7,071.62
  6. Step 6: Final answer
    x = 3,213.47

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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.