Home / 8,747.11-13,121.57-3,749.98

Finding the Fourth Proportional to 8,747.11, 13,121.57 and 3,749.98

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Solution

The fourth proportional to 8,747.11, 13,121.57 and 3,749.98 is: 5,625.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,747.11 : 13,121.57 = 3,749.98 : x
  2. Step 2: Convert to fraction form
    8,747.11/13,121.57 = 3,749.98/x
  3. Step 3: Cross multiply
    8,747.11x = 13,121.57 × 3,749.98
  4. Step 4: Simplify right side
    8,747.11x = 49,205,625.07
  5. Step 5: Solve for x
    x = 49,205,625.07/8,747.11
  6. Step 6: Final answer
    x = 5,625.36

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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.