Home / 4,937.96-7,409.01-2,163.20

Finding the Fourth Proportional to 4,937.96, 7,409.01 and 2,163.20

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Solution

The fourth proportional to 4,937.96, 7,409.01 and 2,163.20 is: 3,245.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,937.96 : 7,409.01 = 2,163.20 : x
  2. Step 2: Convert to fraction form
    4,937.96/7,409.01 = 2,163.20/x
  3. Step 3: Cross multiply
    4,937.96x = 7,409.01 × 2,163.20
  4. Step 4: Simplify right side
    4,937.96x = 16,027,170.43
  5. Step 5: Solve for x
    x = 16,027,170.43/4,937.96
  6. Step 6: Final answer
    x = 3,245.71

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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.