Home / 4,128.50-6,192.03-1,662.68

Finding the Fourth Proportional to 4,128.50, 6,192.03 and 1,662.68

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Solution

The fourth proportional to 4,128.50, 6,192.03 and 1,662.68 is: 2,493.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,128.50 : 6,192.03 = 1,662.68 : x
  2. Step 2: Convert to fraction form
    4,128.50/6,192.03 = 1,662.68/x
  3. Step 3: Cross multiply
    4,128.50x = 6,192.03 × 1,662.68
  4. Step 4: Simplify right side
    4,128.50x = 10,295,364.44
  5. Step 5: Solve for x
    x = 10,295,364.44/4,128.50
  6. Step 6: Final answer
    x = 2,493.73

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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.