Home / 8,106.27-12,154.53-3,170.03

Finding the Fourth Proportional to 8,106.27, 12,154.53 and 3,170.03

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Solution

The fourth proportional to 8,106.27, 12,154.53 and 3,170.03 is: 4,753.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,106.27 : 12,154.53 = 3,170.03 : x
  2. Step 2: Convert to fraction form
    8,106.27/12,154.53 = 3,170.03/x
  3. Step 3: Cross multiply
    8,106.27x = 12,154.53 × 3,170.03
  4. Step 4: Simplify right side
    8,106.27x = 38,530,163.96
  5. Step 5: Solve for x
    x = 38,530,163.96/8,106.27
  6. Step 6: Final answer
    x = 4,753.13

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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.