Home / 4,912.62-6,774.84-3,319.56

Finding the Fourth Proportional to 4,912.62, 6,774.84 and 3,319.56

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Solution

The fourth proportional to 4,912.62, 6,774.84 and 3,319.56 is: 4,577.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.62 : 6,774.84 = 3,319.56 : x
  2. Step 2: Convert to fraction form
    4,912.62/6,774.84 = 3,319.56/x
  3. Step 3: Cross multiply
    4,912.62x = 6,774.84 × 3,319.56
  4. Step 4: Simplify right side
    4,912.62x = 22,489,487.87
  5. Step 5: Solve for x
    x = 22,489,487.87/4,912.62
  6. Step 6: Final answer
    x = 4,577.90

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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.