Home / 4,279.82-6,418.98-1,357.47

Finding the Fourth Proportional to 4,279.82, 6,418.98 and 1,357.47

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Solution

The fourth proportional to 4,279.82, 6,418.98 and 1,357.47 is: 2,035.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,279.82 : 6,418.98 = 1,357.47 : x
  2. Step 2: Convert to fraction form
    4,279.82/6,418.98 = 1,357.47/x
  3. Step 3: Cross multiply
    4,279.82x = 6,418.98 × 1,357.47
  4. Step 4: Simplify right side
    4,279.82x = 8,713,572.78
  5. Step 5: Solve for x
    x = 8,713,572.78/4,279.82
  6. Step 6: Final answer
    x = 2,035.97

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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.