Home / 4,849.29-7,272.86-1,385.73

Finding the Fourth Proportional to 4,849.29, 7,272.86 and 1,385.73

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Solution

The fourth proportional to 4,849.29, 7,272.86 and 1,385.73 is: 2,078.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,849.29 : 7,272.86 = 1,385.73 : x
  2. Step 2: Convert to fraction form
    4,849.29/7,272.86 = 1,385.73/x
  3. Step 3: Cross multiply
    4,849.29x = 7,272.86 × 1,385.73
  4. Step 4: Simplify right side
    4,849.29x = 10,078,213.36
  5. Step 5: Solve for x
    x = 10,078,213.36/4,849.29
  6. Step 6: Final answer
    x = 2,078.29

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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.