Home / 8,116.13-12,164.96-3,433.21

Finding the Fourth Proportional to 8,116.13, 12,164.96 and 3,433.21

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Solution

The fourth proportional to 8,116.13, 12,164.96 and 3,433.21 is: 5,145.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.13 : 12,164.96 = 3,433.21 : x
  2. Step 2: Convert to fraction form
    8,116.13/12,164.96 = 3,433.21/x
  3. Step 3: Cross multiply
    8,116.13x = 12,164.96 × 3,433.21
  4. Step 4: Simplify right side
    8,116.13x = 41,764,908.92
  5. Step 5: Solve for x
    x = 41,764,908.92/8,116.13
  6. Step 6: Final answer
    x = 5,145.92

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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.