Home / 9,111.44-13,658.52-3,914

Finding the Fourth Proportional to 9,111.44, 13,658.52 and 3,914

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Solution

The fourth proportional to 9,111.44, 13,658.52 and 3,914 is: 5,867.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,111.44 : 13,658.52 = 3,914 : x
  2. Step 2: Convert to fraction form
    9,111.44/13,658.52 = 3,914/x
  3. Step 3: Cross multiply
    9,111.44x = 13,658.52 × 3,914
  4. Step 4: Simplify right side
    9,111.44x = 53,459,447.28
  5. Step 5: Solve for x
    x = 53,459,447.28/9,111.44
  6. Step 6: Final answer
    x = 5,867.29

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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.