Home / 9,861.28-14,791.11-2,935.78

Finding the Fourth Proportional to 9,861.28, 14,791.11 and 2,935.78

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Solution

The fourth proportional to 9,861.28, 14,791.11 and 2,935.78 is: 4,403.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,861.28 : 14,791.11 = 2,935.78 : x
  2. Step 2: Convert to fraction form
    9,861.28/14,791.11 = 2,935.78/x
  3. Step 3: Cross multiply
    9,861.28x = 14,791.11 × 2,935.78
  4. Step 4: Simplify right side
    9,861.28x = 43,423,444.92
  5. Step 5: Solve for x
    x = 43,423,444.92/9,861.28
  6. Step 6: Final answer
    x = 4,403.43

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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.