Home / 8,179.26-11,293.74-6,287.91

Finding the Fourth Proportional to 8,179.26, 11,293.74 and 6,287.91

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Solution

The fourth proportional to 8,179.26, 11,293.74 and 6,287.91 is: 8,682.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,179.26 : 11,293.74 = 6,287.91 : x
  2. Step 2: Convert to fraction form
    8,179.26/11,293.74 = 6,287.91/x
  3. Step 3: Cross multiply
    8,179.26x = 11,293.74 × 6,287.91
  4. Step 4: Simplify right side
    8,179.26x = 71,014,020.68
  5. Step 5: Solve for x
    x = 71,014,020.68/8,179.26
  6. Step 6: Final answer
    x = 8,682.21

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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.