Home / 4,279.96-6,418.82-1,813.51

Finding the Fourth Proportional to 4,279.96, 6,418.82 and 1,813.51

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Solution

The fourth proportional to 4,279.96, 6,418.82 and 1,813.51 is: 2,719.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.96 : 6,418.82 = 1,813.51 : x
  2. Step 2: Convert to fraction form
    4,279.96/6,418.82 = 1,813.51/x
  3. Step 3: Cross multiply
    4,279.96x = 6,418.82 × 1,813.51
  4. Step 4: Simplify right side
    4,279.96x = 11,640,594.26
  5. Step 5: Solve for x
    x = 11,640,594.26/4,279.96
  6. Step 6: Final answer
    x = 2,719.79

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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.