Home / 9,861.11-14,797.52-3,940.79

Finding the Fourth Proportional to 9,861.11, 14,797.52 and 3,940.79

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Solution

The fourth proportional to 9,861.11, 14,797.52 and 3,940.79 is: 5,913.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.11 : 14,797.52 = 3,940.79 : x
  2. Step 2: Convert to fraction form
    9,861.11/14,797.52 = 3,940.79/x
  3. Step 3: Cross multiply
    9,861.11x = 14,797.52 × 3,940.79
  4. Step 4: Simplify right side
    9,861.11x = 58,313,964.78
  5. Step 5: Solve for x
    x = 58,313,964.78/9,861.11
  6. Step 6: Final answer
    x = 5,913.53

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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.