Home / 6,830.12-10,234.20-3,910.52

Finding the Fourth Proportional to 6,830.12, 10,234.20 and 3,910.52

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Solution

The fourth proportional to 6,830.12, 10,234.20 and 3,910.52 is: 5,859.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,830.12 : 10,234.20 = 3,910.52 : x
  2. Step 2: Convert to fraction form
    6,830.12/10,234.20 = 3,910.52/x
  3. Step 3: Cross multiply
    6,830.12x = 10,234.20 × 3,910.52
  4. Step 4: Simplify right side
    6,830.12x = 40,021,043.78
  5. Step 5: Solve for x
    x = 40,021,043.78/6,830.12
  6. Step 6: Final answer
    x = 5,859.49

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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.