Home / 7,755.87-11,636.92-2,825.85

Finding the Fourth Proportional to 7,755.87, 11,636.92 and 2,825.85

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Solution

The fourth proportional to 7,755.87, 11,636.92 and 2,825.85 is: 4,239.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,755.87 : 11,636.92 = 2,825.85 : x
  2. Step 2: Convert to fraction form
    7,755.87/11,636.92 = 2,825.85/x
  3. Step 3: Cross multiply
    7,755.87x = 11,636.92 × 2,825.85
  4. Step 4: Simplify right side
    7,755.87x = 32,884,190.38
  5. Step 5: Solve for x
    x = 32,884,190.38/7,755.87
  6. Step 6: Final answer
    x = 4,239.91

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1.5x scale

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.