Home / 7,834.78-11,751.62-3,675.70

Finding the Fourth Proportional to 7,834.78, 11,751.62 and 3,675.70

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Solution

The fourth proportional to 7,834.78, 11,751.62 and 3,675.70 is: 5,513.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,834.78 : 11,751.62 = 3,675.70 : x
  2. Step 2: Convert to fraction form
    7,834.78/11,751.62 = 3,675.70/x
  3. Step 3: Cross multiply
    7,834.78x = 11,751.62 × 3,675.70
  4. Step 4: Simplify right side
    7,834.78x = 43,195,381.88
  5. Step 5: Solve for x
    x = 43,195,381.88/7,834.78
  6. Step 6: Final answer
    x = 5,513.29

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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.