Home / 6,964.26-9,610.68-4,131.78

Finding the Fourth Proportional to 6,964.26, 9,610.68 and 4,131.78

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Solution

The fourth proportional to 6,964.26, 9,610.68 and 4,131.78 is: 5,701.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,964.26 : 9,610.68 = 4,131.78 : x
  2. Step 2: Convert to fraction form
    6,964.26/9,610.68 = 4,131.78/x
  3. Step 3: Cross multiply
    6,964.26x = 9,610.68 × 4,131.78
  4. Step 4: Simplify right side
    6,964.26x = 39,709,215.41
  5. Step 5: Solve for x
    x = 39,709,215.41/6,964.26
  6. Step 6: Final answer
    x = 5,701.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.