Home / 6,757.36-10,131.71-2,811.35

Finding the Fourth Proportional to 6,757.36, 10,131.71 and 2,811.35

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Solution

The fourth proportional to 6,757.36, 10,131.71 and 2,811.35 is: 4,215.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,757.36 : 10,131.71 = 2,811.35 : x
  2. Step 2: Convert to fraction form
    6,757.36/10,131.71 = 2,811.35/x
  3. Step 3: Cross multiply
    6,757.36x = 10,131.71 × 2,811.35
  4. Step 4: Simplify right side
    6,757.36x = 28,483,794.18
  5. Step 5: Solve for x
    x = 28,483,794.18/6,757.36
  6. Step 6: Final answer
    x = 4,215.23

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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.