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Finding the Fourth Proportional to 4,481, 6,183.86 and 2,491.64

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Solution

The fourth proportional to 4,481, 6,183.86 and 2,491.64 is: 3,438.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481 : 6,183.86 = 2,491.64 : x
  2. Step 2: Convert to fraction form
    4,481/6,183.86 = 2,491.64/x
  3. Step 3: Cross multiply
    4,481x = 6,183.86 × 2,491.64
  4. Step 4: Simplify right side
    4,481x = 15,407,952.93
  5. Step 5: Solve for x
    x = 15,407,952.93/4,481
  6. Step 6: Final answer
    x = 3,438.51

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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.