Home / 9,109.72-13,669.04-3,266.79

Finding the Fourth Proportional to 9,109.72, 13,669.04 and 3,266.79

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Solution

The fourth proportional to 9,109.72, 13,669.04 and 3,266.79 is: 4,901.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.72 : 13,669.04 = 3,266.79 : x
  2. Step 2: Convert to fraction form
    9,109.72/13,669.04 = 3,266.79/x
  3. Step 3: Cross multiply
    9,109.72x = 13,669.04 × 3,266.79
  4. Step 4: Simplify right side
    9,109.72x = 44,653,883.18
  5. Step 5: Solve for x
    x = 44,653,883.18/9,109.72
  6. Step 6: Final answer
    x = 4,901.78

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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.