Home / 9,247.79-13,866.13-3,618.75

Finding the Fourth Proportional to 9,247.79, 13,866.13 and 3,618.75

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Solution

The fourth proportional to 9,247.79, 13,866.13 and 3,618.75 is: 5,425.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,247.79 : 13,866.13 = 3,618.75 : x
  2. Step 2: Convert to fraction form
    9,247.79/13,866.13 = 3,618.75/x
  3. Step 3: Cross multiply
    9,247.79x = 13,866.13 × 3,618.75
  4. Step 4: Simplify right side
    9,247.79x = 50,178,057.94
  5. Step 5: Solve for x
    x = 50,178,057.94/9,247.79
  6. Step 6: Final answer
    x = 5,425.95

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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.