Home / 8,741.36-13,112.50-3,811.34

Finding the Fourth Proportional to 8,741.36, 13,112.50 and 3,811.34

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Solution

The fourth proportional to 8,741.36, 13,112.50 and 3,811.34 is: 5,717.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,741.36 : 13,112.50 = 3,811.34 : x
  2. Step 2: Convert to fraction form
    8,741.36/13,112.50 = 3,811.34/x
  3. Step 3: Cross multiply
    8,741.36x = 13,112.50 × 3,811.34
  4. Step 4: Simplify right side
    8,741.36x = 49,976,195.75
  5. Step 5: Solve for x
    x = 49,976,195.75/8,741.36
  6. Step 6: Final answer
    x = 5,717.21

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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.