Home / 8,116.14-12,174.18-2,922

Finding the Fourth Proportional to 8,116.14, 12,174.18 and 2,922

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Solution

The fourth proportional to 8,116.14, 12,174.18 and 2,922 is: 4,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,116.14 : 12,174.18 = 2,922 : x
  2. Step 2: Convert to fraction form
    8,116.14/12,174.18 = 2,922/x
  3. Step 3: Cross multiply
    8,116.14x = 12,174.18 × 2,922
  4. Step 4: Simplify right side
    8,116.14x = 35,572,953.96
  5. Step 5: Solve for x
    x = 35,572,953.96/8,116.14
  6. Step 6: Final answer
    x = 4,382.99

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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.