Home / 4,085.48-6,128.23-1,163.79

Finding the Fourth Proportional to 4,085.48, 6,128.23 and 1,163.79

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Solution

The fourth proportional to 4,085.48, 6,128.23 and 1,163.79 is: 1,745.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,085.48 : 6,128.23 = 1,163.79 : x
  2. Step 2: Convert to fraction form
    4,085.48/6,128.23 = 1,163.79/x
  3. Step 3: Cross multiply
    4,085.48x = 6,128.23 × 1,163.79
  4. Step 4: Simplify right side
    4,085.48x = 7,131,972.79
  5. Step 5: Solve for x
    x = 7,131,972.79/4,085.48
  6. Step 6: Final answer
    x = 1,745.69

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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.