Home / 9,289.75-13,939.41-6,171.91

Finding the Fourth Proportional to 9,289.75, 13,939.41 and 6,171.91

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Solution

The fourth proportional to 9,289.75, 13,939.41 and 6,171.91 is: 9,261.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,289.75 : 13,939.41 = 6,171.91 : x
  2. Step 2: Convert to fraction form
    9,289.75/13,939.41 = 6,171.91/x
  3. Step 3: Cross multiply
    9,289.75x = 13,939.41 × 6,171.91
  4. Step 4: Simplify right side
    9,289.75x = 86,032,783.97
  5. Step 5: Solve for x
    x = 86,032,783.97/9,289.75
  6. Step 6: Final answer
    x = 9,261.04

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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.