Home / 4,912.83-6,774.12-3,731.85

Finding the Fourth Proportional to 4,912.83, 6,774.12 and 3,731.85

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Solution

The fourth proportional to 4,912.83, 6,774.12 and 3,731.85 is: 5,145.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.83 : 6,774.12 = 3,731.85 : x
  2. Step 2: Convert to fraction form
    4,912.83/6,774.12 = 3,731.85/x
  3. Step 3: Cross multiply
    4,912.83x = 6,774.12 × 3,731.85
  4. Step 4: Simplify right side
    4,912.83x = 25,279,999.72
  5. Step 5: Solve for x
    x = 25,279,999.72/4,912.83
  6. Step 6: Final answer
    x = 5,145.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.