Home / 5,231.90-7,847.94-1,336.34

Finding the Fourth Proportional to 5,231.90, 7,847.94 and 1,336.34

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Solution

The fourth proportional to 5,231.90, 7,847.94 and 1,336.34 is: 2,004.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,231.90 : 7,847.94 = 1,336.34 : x
  2. Step 2: Convert to fraction form
    5,231.90/7,847.94 = 1,336.34/x
  3. Step 3: Cross multiply
    5,231.90x = 7,847.94 × 1,336.34
  4. Step 4: Simplify right side
    5,231.90x = 10,487,516.14
  5. Step 5: Solve for x
    x = 10,487,516.14/5,231.90
  6. Step 6: Final answer
    x = 2,004.53

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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.