Home / 7,890.44-11,834.51-2,342.75

Finding the Fourth Proportional to 7,890.44, 11,834.51 and 2,342.75

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Solution

The fourth proportional to 7,890.44, 11,834.51 and 2,342.75 is: 3,513.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,890.44 : 11,834.51 = 2,342.75 : x
  2. Step 2: Convert to fraction form
    7,890.44/11,834.51 = 2,342.75/x
  3. Step 3: Cross multiply
    7,890.44x = 11,834.51 × 2,342.75
  4. Step 4: Simplify right side
    7,890.44x = 27,725,227.42
  5. Step 5: Solve for x
    x = 27,725,227.42/7,890.44
  6. Step 6: Final answer
    x = 3,513.78

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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.