Home / 7,847.11-11,772.96-3,164.71

Finding the Fourth Proportional to 7,847.11, 11,772.96 and 3,164.71

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Solution

The fourth proportional to 7,847.11, 11,772.96 and 3,164.71 is: 4,747.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,847.11 : 11,772.96 = 3,164.71 : x
  2. Step 2: Convert to fraction form
    7,847.11/11,772.96 = 3,164.71/x
  3. Step 3: Cross multiply
    7,847.11x = 11,772.96 × 3,164.71
  4. Step 4: Simplify right side
    7,847.11x = 37,258,004.24
  5. Step 5: Solve for x
    x = 37,258,004.24/7,847.11
  6. Step 6: Final answer
    x = 4,747.99

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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.