Home / 8,735.50-13,102.92-2,161.54

Finding the Fourth Proportional to 8,735.50, 13,102.92 and 2,161.54

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Solution

The fourth proportional to 8,735.50, 13,102.92 and 2,161.54 is: 3,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.50 : 13,102.92 = 2,161.54 : x
  2. Step 2: Convert to fraction form
    8,735.50/13,102.92 = 2,161.54/x
  3. Step 3: Cross multiply
    8,735.50x = 13,102.92 × 2,161.54
  4. Step 4: Simplify right side
    8,735.50x = 28,322,485.70
  5. Step 5: Solve for x
    x = 28,322,485.70/8,735.50
  6. Step 6: Final answer
    x = 3,242.23

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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.