Home / 4,255.02-6,385.91-1,791.54

Finding the Fourth Proportional to 4,255.02, 6,385.91 and 1,791.54

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Solution

The fourth proportional to 4,255.02, 6,385.91 and 1,791.54 is: 2,688.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,255.02 : 6,385.91 = 1,791.54 : x
  2. Step 2: Convert to fraction form
    4,255.02/6,385.91 = 1,791.54/x
  3. Step 3: Cross multiply
    4,255.02x = 6,385.91 × 1,791.54
  4. Step 4: Simplify right side
    4,255.02x = 11,440,604.24
  5. Step 5: Solve for x
    x = 11,440,604.24/4,255.02
  6. Step 6: Final answer
    x = 2,688.73

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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.