Home / 4,209.88-6,317.27-1,579.24

Finding the Fourth Proportional to 4,209.88, 6,317.27 and 1,579.24

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Solution

The fourth proportional to 4,209.88, 6,317.27 and 1,579.24 is: 2,369.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,209.88 : 6,317.27 = 1,579.24 : x
  2. Step 2: Convert to fraction form
    4,209.88/6,317.27 = 1,579.24/x
  3. Step 3: Cross multiply
    4,209.88x = 6,317.27 × 1,579.24
  4. Step 4: Simplify right side
    4,209.88x = 9,976,485.47
  5. Step 5: Solve for x
    x = 9,976,485.47/4,209.88
  6. Step 6: Final answer
    x = 2,369.78

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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.