Home / 6,911.29-10,357.66-3,786.58

Finding the Fourth Proportional to 6,911.29, 10,357.66 and 3,786.58

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Solution

The fourth proportional to 6,911.29, 10,357.66 and 3,786.58 is: 5,674.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,911.29 : 10,357.66 = 3,786.58 : x
  2. Step 2: Convert to fraction form
    6,911.29/10,357.66 = 3,786.58/x
  3. Step 3: Cross multiply
    6,911.29x = 10,357.66 × 3,786.58
  4. Step 4: Simplify right side
    6,911.29x = 39,220,108.20
  5. Step 5: Solve for x
    x = 39,220,108.20/6,911.29
  6. Step 6: Final answer
    x = 5,674.79

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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.