Home / 8,313.79-12,464.99-2,766.56

Finding the Fourth Proportional to 8,313.79, 12,464.99 and 2,766.56

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Solution

The fourth proportional to 8,313.79, 12,464.99 and 2,766.56 is: 4,147.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,313.79 : 12,464.99 = 2,766.56 : x
  2. Step 2: Convert to fraction form
    8,313.79/12,464.99 = 2,766.56/x
  3. Step 3: Cross multiply
    8,313.79x = 12,464.99 × 2,766.56
  4. Step 4: Simplify right side
    8,313.79x = 34,485,076.95
  5. Step 5: Solve for x
    x = 34,485,076.95/8,313.79
  6. Step 6: Final answer
    x = 4,147.94

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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.