Home / 9,146.19-13,721.91-3,883.42

Finding the Fourth Proportional to 9,146.19, 13,721.91 and 3,883.42

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Solution

The fourth proportional to 9,146.19, 13,721.91 and 3,883.42 is: 5,826.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,146.19 : 13,721.91 = 3,883.42 : x
  2. Step 2: Convert to fraction form
    9,146.19/13,721.91 = 3,883.42/x
  3. Step 3: Cross multiply
    9,146.19x = 13,721.91 × 3,883.42
  4. Step 4: Simplify right side
    9,146.19x = 53,287,939.73
  5. Step 5: Solve for x
    x = 53,287,939.73/9,146.19
  6. Step 6: Final answer
    x = 5,826.24

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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.