Home / 4,086.32-6,128.66-1,163.84

Finding the Fourth Proportional to 4,086.32, 6,128.66 and 1,163.84

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Solution

The fourth proportional to 4,086.32, 6,128.66 and 1,163.84 is: 1,745.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.32 : 6,128.66 = 1,163.84 : x
  2. Step 2: Convert to fraction form
    4,086.32/6,128.66 = 1,163.84/x
  3. Step 3: Cross multiply
    4,086.32x = 6,128.66 × 1,163.84
  4. Step 4: Simplify right side
    4,086.32x = 7,132,779.65
  5. Step 5: Solve for x
    x = 7,132,779.65/4,086.32
  6. Step 6: Final answer
    x = 1,745.53

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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.