Home / 6,911.91-10,359.75-3,206.34

Finding the Fourth Proportional to 6,911.91, 10,359.75 and 3,206.34

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Solution

The fourth proportional to 6,911.91, 10,359.75 and 3,206.34 is: 4,805.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.91 : 10,359.75 = 3,206.34 : x
  2. Step 2: Convert to fraction form
    6,911.91/10,359.75 = 3,206.34/x
  3. Step 3: Cross multiply
    6,911.91x = 10,359.75 × 3,206.34
  4. Step 4: Simplify right side
    6,911.91x = 33,216,880.82
  5. Step 5: Solve for x
    x = 33,216,880.82/6,911.91
  6. Step 6: Final answer
    x = 4,805.75

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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.