Home / 8,171.26-11,275.68-4,634.80

Finding the Fourth Proportional to 8,171.26, 11,275.68 and 4,634.80

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Solution

The fourth proportional to 8,171.26, 11,275.68 and 4,634.80 is: 6,395.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.26 : 11,275.68 = 4,634.80 : x
  2. Step 2: Convert to fraction form
    8,171.26/11,275.68 = 4,634.80/x
  3. Step 3: Cross multiply
    8,171.26x = 11,275.68 × 4,634.80
  4. Step 4: Simplify right side
    8,171.26x = 52,260,521.66
  5. Step 5: Solve for x
    x = 52,260,521.66/8,171.26
  6. Step 6: Final answer
    x = 6,395.65

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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.