Home / 5,160.11-7,744.82-3,305.61

Finding the Fourth Proportional to 5,160.11, 7,744.82 and 3,305.61

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Solution

The fourth proportional to 5,160.11, 7,744.82 and 3,305.61 is: 4,961.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,160.11 : 7,744.82 = 3,305.61 : x
  2. Step 2: Convert to fraction form
    5,160.11/7,744.82 = 3,305.61/x
  3. Step 3: Cross multiply
    5,160.11x = 7,744.82 × 3,305.61
  4. Step 4: Simplify right side
    5,160.11x = 25,601,337.91
  5. Step 5: Solve for x
    x = 25,601,337.91/5,160.11
  6. Step 6: Final answer
    x = 4,961.40

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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.