Home / 7,745.27-11,617.91-1,901.87

Finding the Fourth Proportional to 7,745.27, 11,617.91 and 1,901.87

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Solution

The fourth proportional to 7,745.27, 11,617.91 and 1,901.87 is: 2,852.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.27 : 11,617.91 = 1,901.87 : x
  2. Step 2: Convert to fraction form
    7,745.27/11,617.91 = 1,901.87/x
  3. Step 3: Cross multiply
    7,745.27x = 11,617.91 × 1,901.87
  4. Step 4: Simplify right side
    7,745.27x = 22,095,774.03
  5. Step 5: Solve for x
    x = 22,095,774.03/7,745.27
  6. Step 6: Final answer
    x = 2,852.81

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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.