Home / 9,190.16-13,791.36-5,905.61

Finding the Fourth Proportional to 9,190.16, 13,791.36 and 5,905.61

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Solution

The fourth proportional to 9,190.16, 13,791.36 and 5,905.61 is: 8,862.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.16 : 13,791.36 = 5,905.61 : x
  2. Step 2: Convert to fraction form
    9,190.16/13,791.36 = 5,905.61/x
  3. Step 3: Cross multiply
    9,190.16x = 13,791.36 × 5,905.61
  4. Step 4: Simplify right side
    9,190.16x = 81,446,398.44
  5. Step 5: Solve for x
    x = 81,446,398.44/9,190.16
  6. Step 6: Final answer
    x = 8,862.35

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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.