Home / 4,581.45-6,872.18-2,115.54

Finding the Fourth Proportional to 4,581.45, 6,872.18 and 2,115.54

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Solution

The fourth proportional to 4,581.45, 6,872.18 and 2,115.54 is: 3,173.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,581.45 : 6,872.18 = 2,115.54 : x
  2. Step 2: Convert to fraction form
    4,581.45/6,872.18 = 2,115.54/x
  3. Step 3: Cross multiply
    4,581.45x = 6,872.18 × 2,115.54
  4. Step 4: Simplify right side
    4,581.45x = 14,538,361.10
  5. Step 5: Solve for x
    x = 14,538,361.10/4,581.45
  6. Step 6: Final answer
    x = 3,173.31

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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.