Home / 7,946.66-11,919.43-2,103.14

Finding the Fourth Proportional to 7,946.66, 11,919.43 and 2,103.14

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Solution

The fourth proportional to 7,946.66, 11,919.43 and 2,103.14 is: 3,154.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.66 : 11,919.43 = 2,103.14 : x
  2. Step 2: Convert to fraction form
    7,946.66/11,919.43 = 2,103.14/x
  3. Step 3: Cross multiply
    7,946.66x = 11,919.43 × 2,103.14
  4. Step 4: Simplify right side
    7,946.66x = 25,068,230.01
  5. Step 5: Solve for x
    x = 25,068,230.01/7,946.66
  6. Step 6: Final answer
    x = 3,154.56

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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.