Home / 4,608.21-6,912.31-3,679.42

Finding the Fourth Proportional to 4,608.21, 6,912.31 and 3,679.42

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Solution

The fourth proportional to 4,608.21, 6,912.31 and 3,679.42 is: 5,519.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,608.21 : 6,912.31 = 3,679.42 : x
  2. Step 2: Convert to fraction form
    4,608.21/6,912.31 = 3,679.42/x
  3. Step 3: Cross multiply
    4,608.21x = 6,912.31 × 3,679.42
  4. Step 4: Simplify right side
    4,608.21x = 25,433,247.90
  5. Step 5: Solve for x
    x = 25,433,247.90/4,608.21
  6. Step 6: Final answer
    x = 5,519.12

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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.