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Finding the Fourth Proportional to 7,251.99, 10,878.74 and 3,092.43

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Solution

The fourth proportional to 7,251.99, 10,878.74 and 3,092.43 is: 4,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,251.99 : 10,878.74 = 3,092.43 : x
  2. Step 2: Convert to fraction form
    7,251.99/10,878.74 = 3,092.43/x
  3. Step 3: Cross multiply
    7,251.99x = 10,878.74 × 3,092.43
  4. Step 4: Simplify right side
    7,251.99x = 33,641,778.87
  5. Step 5: Solve for x
    x = 33,641,778.87/7,251.99
  6. Step 6: Final answer
    x = 4,638.97

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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.