Home / 3,625.92-5,446.08-3,105.72

Finding the Fourth Proportional to 3,625.92, 5,446.08 and 3,105.72

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Solution

The fourth proportional to 3,625.92, 5,446.08 and 3,105.72 is: 4,664.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,625.92 : 5,446.08 = 3,105.72 : x
  2. Step 2: Convert to fraction form
    3,625.92/5,446.08 = 3,105.72/x
  3. Step 3: Cross multiply
    3,625.92x = 5,446.08 × 3,105.72
  4. Step 4: Simplify right side
    3,625.92x = 16,913,999.58
  5. Step 5: Solve for x
    x = 16,913,999.58/3,625.92
  6. Step 6: Final answer
    x = 4,664.75

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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.