Home / 6,419.38-8,855.15-3,766.27

Finding the Fourth Proportional to 6,419.38, 8,855.15 and 3,766.27

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Solution

The fourth proportional to 6,419.38, 8,855.15 and 3,766.27 is: 5,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,419.38 : 8,855.15 = 3,766.27 : x
  2. Step 2: Convert to fraction form
    6,419.38/8,855.15 = 3,766.27/x
  3. Step 3: Cross multiply
    6,419.38x = 8,855.15 × 3,766.27
  4. Step 4: Simplify right side
    6,419.38x = 33,350,896.92
  5. Step 5: Solve for x
    x = 33,350,896.92/6,419.38
  6. Step 6: Final answer
    x = 5,195.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.