Home / 6,911.28-10,371.38-3,215.25

Finding the Fourth Proportional to 6,911.28, 10,371.38 and 3,215.25

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Solution

The fourth proportional to 6,911.28, 10,371.38 and 3,215.25 is: 4,824.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.28 : 10,371.38 = 3,215.25 : x
  2. Step 2: Convert to fraction form
    6,911.28/10,371.38 = 3,215.25/x
  3. Step 3: Cross multiply
    6,911.28x = 10,371.38 × 3,215.25
  4. Step 4: Simplify right side
    6,911.28x = 33,346,563.47
  5. Step 5: Solve for x
    x = 33,346,563.47/6,911.28
  6. Step 6: Final answer
    x = 4,824.95

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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.