Home / 4,151.80-6,226.48-3,419.56

Finding the Fourth Proportional to 4,151.80, 6,226.48 and 3,419.56

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Solution

The fourth proportional to 4,151.80, 6,226.48 and 3,419.56 is: 5,128.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,151.80 : 6,226.48 = 3,419.56 : x
  2. Step 2: Convert to fraction form
    4,151.80/6,226.48 = 3,419.56/x
  3. Step 3: Cross multiply
    4,151.80x = 6,226.48 × 3,419.56
  4. Step 4: Simplify right side
    4,151.80x = 21,291,797.83
  5. Step 5: Solve for x
    x = 21,291,797.83/4,151.80
  6. Step 6: Final answer
    x = 5,128.33

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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.