Home / 4,185.99-6,279-1,719.08

Finding the Fourth Proportional to 4,185.99, 6,279 and 1,719.08

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Solution

The fourth proportional to 4,185.99, 6,279 and 1,719.08 is: 2,578.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,185.99 : 6,279 = 1,719.08 : x
  2. Step 2: Convert to fraction form
    4,185.99/6,279 = 1,719.08/x
  3. Step 3: Cross multiply
    4,185.99x = 6,279 × 1,719.08
  4. Step 4: Simplify right side
    4,185.99x = 10,794,103.32
  5. Step 5: Solve for x
    x = 10,794,103.32/4,185.99
  6. Step 6: Final answer
    x = 2,578.63

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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.