Home / 6,279.20-9,418.44-2,383.28

Finding the Fourth Proportional to 6,279.20, 9,418.44 and 2,383.28

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Solution

The fourth proportional to 6,279.20, 9,418.44 and 2,383.28 is: 3,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,279.20 : 9,418.44 = 2,383.28 : x
  2. Step 2: Convert to fraction form
    6,279.20/9,418.44 = 2,383.28/x
  3. Step 3: Cross multiply
    6,279.20x = 9,418.44 × 2,383.28
  4. Step 4: Simplify right side
    6,279.20x = 22,446,779.68
  5. Step 5: Solve for x
    x = 22,446,779.68/6,279.20
  6. Step 6: Final answer
    x = 3,574.78

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1.5x scale

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.