Home / 4,180.68-6,268.79-1,406.43

Finding the Fourth Proportional to 4,180.68, 6,268.79 and 1,406.43

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Solution

The fourth proportional to 4,180.68, 6,268.79 and 1,406.43 is: 2,108.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,180.68 : 6,268.79 = 1,406.43 : x
  2. Step 2: Convert to fraction form
    4,180.68/6,268.79 = 1,406.43/x
  3. Step 3: Cross multiply
    4,180.68x = 6,268.79 × 1,406.43
  4. Step 4: Simplify right side
    4,180.68x = 8,816,575.94
  5. Step 5: Solve for x
    x = 8,816,575.94/4,180.68
  6. Step 6: Final answer
    x = 2,108.89

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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.