Home / 4,084.92-6,128.40-1,163.21

Finding the Fourth Proportional to 4,084.92, 6,128.40 and 1,163.21

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Solution

The fourth proportional to 4,084.92, 6,128.40 and 1,163.21 is: 1,745.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,084.92 : 6,128.40 = 1,163.21 : x
  2. Step 2: Convert to fraction form
    4,084.92/6,128.40 = 1,163.21/x
  3. Step 3: Cross multiply
    4,084.92x = 6,128.40 × 1,163.21
  4. Step 4: Simplify right side
    4,084.92x = 7,128,585.52
  5. Step 5: Solve for x
    x = 7,128,585.52/4,084.92
  6. Step 6: Final answer
    x = 1,745.10

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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.