Home / 4,453.92-6,676.56-2,142.72

Finding the Fourth Proportional to 4,453.92, 6,676.56 and 2,142.72

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Solution

The fourth proportional to 4,453.92, 6,676.56 and 2,142.72 is: 3,212.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,453.92 : 6,676.56 = 2,142.72 : x
  2. Step 2: Convert to fraction form
    4,453.92/6,676.56 = 2,142.72/x
  3. Step 3: Cross multiply
    4,453.92x = 6,676.56 × 2,142.72
  4. Step 4: Simplify right side
    4,453.92x = 14,305,998.64
  5. Step 5: Solve for x
    x = 14,305,998.64/4,453.92
  6. Step 6: Final answer
    x = 3,212.00

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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.