Home / 7,946.46-11,920.26-2,103

Finding the Fourth Proportional to 7,946.46, 11,920.26 and 2,103

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Solution

The fourth proportional to 7,946.46, 11,920.26 and 2,103 is: 3,154.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,946.46 : 11,920.26 = 2,103 : x
  2. Step 2: Convert to fraction form
    7,946.46/11,920.26 = 2,103/x
  3. Step 3: Cross multiply
    7,946.46x = 11,920.26 × 2,103
  4. Step 4: Simplify right side
    7,946.46x = 25,068,306.78
  5. Step 5: Solve for x
    x = 25,068,306.78/7,946.46
  6. Step 6: Final answer
    x = 3,154.65

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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.