Home / 9,108.36-13,664.37-2,869.34

Finding the Fourth Proportional to 9,108.36, 13,664.37 and 2,869.34

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Solution

The fourth proportional to 9,108.36, 13,664.37 and 2,869.34 is: 4,304.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,108.36 : 13,664.37 = 2,869.34 : x
  2. Step 2: Convert to fraction form
    9,108.36/13,664.37 = 2,869.34/x
  3. Step 3: Cross multiply
    9,108.36x = 13,664.37 × 2,869.34
  4. Step 4: Simplify right side
    9,108.36x = 39,207,655.09
  5. Step 5: Solve for x
    x = 39,207,655.09/9,108.36
  6. Step 6: Final answer
    x = 4,304.58

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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.