Home / 4,270.73-6,404.83-1,638.03

Finding the Fourth Proportional to 4,270.73, 6,404.83 and 1,638.03

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Solution

The fourth proportional to 4,270.73, 6,404.83 and 1,638.03 is: 2,456.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,270.73 : 6,404.83 = 1,638.03 : x
  2. Step 2: Convert to fraction form
    4,270.73/6,404.83 = 1,638.03/x
  3. Step 3: Cross multiply
    4,270.73x = 6,404.83 × 1,638.03
  4. Step 4: Simplify right side
    4,270.73x = 10,491,332.82
  5. Step 5: Solve for x
    x = 10,491,332.82/4,270.73
  6. Step 6: Final answer
    x = 2,456.57

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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.