Home / 8,732.42-13,100.96-3,190.44

Finding the Fourth Proportional to 8,732.42, 13,100.96 and 3,190.44

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Solution

The fourth proportional to 8,732.42, 13,100.96 and 3,190.44 is: 4,786.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,732.42 : 13,100.96 = 3,190.44 : x
  2. Step 2: Convert to fraction form
    8,732.42/13,100.96 = 3,190.44/x
  3. Step 3: Cross multiply
    8,732.42x = 13,100.96 × 3,190.44
  4. Step 4: Simplify right side
    8,732.42x = 41,797,792.29
  5. Step 5: Solve for x
    x = 41,797,792.29/8,732.42
  6. Step 6: Final answer
    x = 4,786.50

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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.