Home / 4,186.54-6,279.80-1,719.62

Finding the Fourth Proportional to 4,186.54, 6,279.80 and 1,719.62

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Solution

The fourth proportional to 4,186.54, 6,279.80 and 1,719.62 is: 2,579.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.54 : 6,279.80 = 1,719.62 : x
  2. Step 2: Convert to fraction form
    4,186.54/6,279.80 = 1,719.62/x
  3. Step 3: Cross multiply
    4,186.54x = 6,279.80 × 1,719.62
  4. Step 4: Simplify right side
    4,186.54x = 10,798,869.68
  5. Step 5: Solve for x
    x = 10,798,869.68/4,186.54
  6. Step 6: Final answer
    x = 2,579.43

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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.