Home / 4,879.44-7,311.60-2,279.34

Finding the Fourth Proportional to 4,879.44, 7,311.60 and 2,279.34

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Solution

The fourth proportional to 4,879.44, 7,311.60 and 2,279.34 is: 3,415.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,879.44 : 7,311.60 = 2,279.34 : x
  2. Step 2: Convert to fraction form
    4,879.44/7,311.60 = 2,279.34/x
  3. Step 3: Cross multiply
    4,879.44x = 7,311.60 × 2,279.34
  4. Step 4: Simplify right side
    4,879.44x = 16,665,622.34
  5. Step 5: Solve for x
    x = 16,665,622.34/4,879.44
  6. Step 6: Final answer
    x = 3,415.48

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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.