Home / 4,201.13-6,302.61-1,279.37

Finding the Fourth Proportional to 4,201.13, 6,302.61 and 1,279.37

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Solution

The fourth proportional to 4,201.13, 6,302.61 and 1,279.37 is: 1,919.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.13 : 6,302.61 = 1,279.37 : x
  2. Step 2: Convert to fraction form
    4,201.13/6,302.61 = 1,279.37/x
  3. Step 3: Cross multiply
    4,201.13x = 6,302.61 × 1,279.37
  4. Step 4: Simplify right side
    4,201.13x = 8,063,338.64
  5. Step 5: Solve for x
    x = 8,063,338.64/4,201.13
  6. Step 6: Final answer
    x = 1,919.33

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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.