Home / 9,100.92-13,651.37-2,861.48

Finding the Fourth Proportional to 9,100.92, 13,651.37 and 2,861.48

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Solution

The fourth proportional to 9,100.92, 13,651.37 and 2,861.48 is: 4,292.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,100.92 : 13,651.37 = 2,861.48 : x
  2. Step 2: Convert to fraction form
    9,100.92/13,651.37 = 2,861.48/x
  3. Step 3: Cross multiply
    9,100.92x = 13,651.37 × 2,861.48
  4. Step 4: Simplify right side
    9,100.92x = 39,063,163.51
  5. Step 5: Solve for x
    x = 39,063,163.51/9,100.92
  6. Step 6: Final answer
    x = 4,292.22

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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.