Home / 4,085.24-6,128.94-1,163.57

Finding the Fourth Proportional to 4,085.24, 6,128.94 and 1,163.57

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Solution

The fourth proportional to 4,085.24, 6,128.94 and 1,163.57 is: 1,745.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.24 : 6,128.94 = 1,163.57 : x
  2. Step 2: Convert to fraction form
    4,085.24/6,128.94 = 1,163.57/x
  3. Step 3: Cross multiply
    4,085.24x = 6,128.94 × 1,163.57
  4. Step 4: Simplify right side
    4,085.24x = 7,131,450.72
  5. Step 5: Solve for x
    x = 7,131,450.72/4,085.24
  6. Step 6: Final answer
    x = 1,745.66

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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.