Home / 4,861.12-7,324.20-4,399.42

Finding the Fourth Proportional to 4,861.12, 7,324.20 and 4,399.42

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Solution

The fourth proportional to 4,861.12, 7,324.20 and 4,399.42 is: 6,628.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,861.12 : 7,324.20 = 4,399.42 : x
  2. Step 2: Convert to fraction form
    4,861.12/7,324.20 = 4,399.42/x
  3. Step 3: Cross multiply
    4,861.12x = 7,324.20 × 4,399.42
  4. Step 4: Simplify right side
    4,861.12x = 32,222,231.96
  5. Step 5: Solve for x
    x = 32,222,231.96/4,861.12
  6. Step 6: Final answer
    x = 6,628.56

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.