Home / 5,163.31-7,745.77-3,085.66

Finding the Fourth Proportional to 5,163.31, 7,745.77 and 3,085.66

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Solution

The fourth proportional to 5,163.31, 7,745.77 and 3,085.66 is: 4,628.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,163.31 : 7,745.77 = 3,085.66 : x
  2. Step 2: Convert to fraction form
    5,163.31/7,745.77 = 3,085.66/x
  3. Step 3: Cross multiply
    5,163.31x = 7,745.77 × 3,085.66
  4. Step 4: Simplify right side
    5,163.31x = 23,900,773.93
  5. Step 5: Solve for x
    x = 23,900,773.93/5,163.31
  6. Step 6: Final answer
    x = 4,628.97

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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.