Home / 8,156.66-12,231.86-3,473.70

Finding the Fourth Proportional to 8,156.66, 12,231.86 and 3,473.70

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Solution

The fourth proportional to 8,156.66, 12,231.86 and 3,473.70 is: 5,209.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,156.66 : 12,231.86 = 3,473.70 : x
  2. Step 2: Convert to fraction form
    8,156.66/12,231.86 = 3,473.70/x
  3. Step 3: Cross multiply
    8,156.66x = 12,231.86 × 3,473.70
  4. Step 4: Simplify right side
    8,156.66x = 42,489,812.08
  5. Step 5: Solve for x
    x = 42,489,812.08/8,156.66
  6. Step 6: Final answer
    x = 5,209.22

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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.