Home / 9,109.34-13,664.57-2,869.56

Finding the Fourth Proportional to 9,109.34, 13,664.57 and 2,869.56

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Solution

The fourth proportional to 9,109.34, 13,664.57 and 2,869.56 is: 4,304.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,109.34 : 13,664.57 = 2,869.56 : x
  2. Step 2: Convert to fraction form
    9,109.34/13,664.57 = 2,869.56/x
  3. Step 3: Cross multiply
    9,109.34x = 13,664.57 × 2,869.56
  4. Step 4: Simplify right side
    9,109.34x = 39,211,310.66
  5. Step 5: Solve for x
    x = 39,211,310.66/9,109.34
  6. Step 6: Final answer
    x = 4,304.52

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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.