Home / 8,151.31-12,226.85-2,604.58

Finding the Fourth Proportional to 8,151.31, 12,226.85 and 2,604.58

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Solution

The fourth proportional to 8,151.31, 12,226.85 and 2,604.58 is: 3,906.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,151.31 : 12,226.85 = 2,604.58 : x
  2. Step 2: Convert to fraction form
    8,151.31/12,226.85 = 2,604.58/x
  3. Step 3: Cross multiply
    8,151.31x = 12,226.85 × 2,604.58
  4. Step 4: Simplify right side
    8,151.31x = 31,845,795.95
  5. Step 5: Solve for x
    x = 31,845,795.95/8,151.31
  6. Step 6: Final answer
    x = 3,906.83

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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.