Home / 8,735.96-13,103.71-2,162.21

Finding the Fourth Proportional to 8,735.96, 13,103.71 and 2,162.21

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Solution

The fourth proportional to 8,735.96, 13,103.71 and 2,162.21 is: 3,243.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,735.96 : 13,103.71 = 2,162.21 : x
  2. Step 2: Convert to fraction form
    8,735.96/13,103.71 = 2,162.21/x
  3. Step 3: Cross multiply
    8,735.96x = 13,103.71 × 2,162.21
  4. Step 4: Simplify right side
    8,735.96x = 28,332,901.88
  5. Step 5: Solve for x
    x = 28,332,901.88/8,735.96
  6. Step 6: Final answer
    x = 3,243.25

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1.5x scale

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.