Home / 7,949.66-11,919.63-3,790.94

Finding the Fourth Proportional to 7,949.66, 11,919.63 and 3,790.94

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Solution

The fourth proportional to 7,949.66, 11,919.63 and 3,790.94 is: 5,684.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,949.66 : 11,919.63 = 3,790.94 : x
  2. Step 2: Convert to fraction form
    7,949.66/11,919.63 = 3,790.94/x
  3. Step 3: Cross multiply
    7,949.66x = 11,919.63 × 3,790.94
  4. Step 4: Simplify right side
    7,949.66x = 45,186,602.15
  5. Step 5: Solve for x
    x = 45,186,602.15/7,949.66
  6. Step 6: Final answer
    x = 5,684.09

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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.