Home / 7,819.15-10,789.85-4,415.96

Finding the Fourth Proportional to 7,819.15, 10,789.85 and 4,415.96

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Solution

The fourth proportional to 7,819.15, 10,789.85 and 4,415.96 is: 6,093.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,819.15 : 10,789.85 = 4,415.96 : x
  2. Step 2: Convert to fraction form
    7,819.15/10,789.85 = 4,415.96/x
  3. Step 3: Cross multiply
    7,819.15x = 10,789.85 × 4,415.96
  4. Step 4: Simplify right side
    7,819.15x = 47,647,469.98
  5. Step 5: Solve for x
    x = 47,647,469.98/7,819.15
  6. Step 6: Final answer
    x = 6,093.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.