Home / 9,291.72-13,932.36-3,747.72

Finding the Fourth Proportional to 9,291.72, 13,932.36 and 3,747.72

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Solution

The fourth proportional to 9,291.72, 13,932.36 and 3,747.72 is: 5,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,291.72 : 13,932.36 = 3,747.72 : x
  2. Step 2: Convert to fraction form
    9,291.72/13,932.36 = 3,747.72/x
  3. Step 3: Cross multiply
    9,291.72x = 13,932.36 × 3,747.72
  4. Step 4: Simplify right side
    9,291.72x = 52,214,584.22
  5. Step 5: Solve for x
    x = 52,214,584.22/9,291.72
  6. Step 6: Final answer
    x = 5,619.47

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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.