Home / 7,843.26-11,765.55-2,912.94

Finding the Fourth Proportional to 7,843.26, 11,765.55 and 2,912.94

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Solution

The fourth proportional to 7,843.26, 11,765.55 and 2,912.94 is: 4,369.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,843.26 : 11,765.55 = 2,912.94 : x
  2. Step 2: Convert to fraction form
    7,843.26/11,765.55 = 2,912.94/x
  3. Step 3: Cross multiply
    7,843.26x = 11,765.55 × 2,912.94
  4. Step 4: Simplify right side
    7,843.26x = 34,272,341.22
  5. Step 5: Solve for x
    x = 34,272,341.22/7,843.26
  6. Step 6: Final answer
    x = 4,369.66

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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.