Home / 8,735.36-13,102.87-2,161.54

Finding the Fourth Proportional to 8,735.36, 13,102.87 and 2,161.54

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Solution

The fourth proportional to 8,735.36, 13,102.87 and 2,161.54 is: 3,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.36 : 13,102.87 = 2,161.54 : x
  2. Step 2: Convert to fraction form
    8,735.36/13,102.87 = 2,161.54/x
  3. Step 3: Cross multiply
    8,735.36x = 13,102.87 × 2,161.54
  4. Step 4: Simplify right side
    8,735.36x = 28,322,339.46
  5. Step 5: Solve for x
    x = 28,322,339.46/8,735.36
  6. Step 6: Final answer
    x = 3,242.27

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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.