Home / 4,201.09-6,301.60-1,279.40

Finding the Fourth Proportional to 4,201.09, 6,301.60 and 1,279.40

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Solution

The fourth proportional to 4,201.09, 6,301.60 and 1,279.40 is: 1,919.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,201.09 : 6,301.60 = 1,279.40 : x
  2. Step 2: Convert to fraction form
    4,201.09/6,301.60 = 1,279.40/x
  3. Step 3: Cross multiply
    4,201.09x = 6,301.60 × 1,279.40
  4. Step 4: Simplify right side
    4,201.09x = 8,062,232.33
  5. Step 5: Solve for x
    x = 8,062,232.33/4,201.09
  6. Step 6: Final answer
    x = 1,919.08

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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.