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Finding the Fourth Proportional to 7,895.75, 11,843.38 and 2,349.11

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Solution

The fourth proportional to 7,895.75, 11,843.38 and 2,349.11 is: 3,523.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,895.75 : 11,843.38 = 2,349.11 : x
  2. Step 2: Convert to fraction form
    7,895.75/11,843.38 = 2,349.11/x
  3. Step 3: Cross multiply
    7,895.75x = 11,843.38 × 2,349.11
  4. Step 4: Simplify right side
    7,895.75x = 27,821,402.39
  5. Step 5: Solve for x
    x = 27,821,402.39/7,895.75
  6. Step 6: Final answer
    x = 3,523.59

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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.