Home / 8,172.20-11,275.07-4,634.73

Finding the Fourth Proportional to 8,172.20, 11,275.07 and 4,634.73

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Solution

The fourth proportional to 8,172.20, 11,275.07 and 4,634.73 is: 6,394.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,172.20 : 11,275.07 = 4,634.73 : x
  2. Step 2: Convert to fraction form
    8,172.20/11,275.07 = 4,634.73/x
  3. Step 3: Cross multiply
    8,172.20x = 11,275.07 × 4,634.73
  4. Step 4: Simplify right side
    8,172.20x = 52,256,882.01
  5. Step 5: Solve for x
    x = 52,256,882.01/8,172.20
  6. Step 6: Final answer
    x = 6,394.47

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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.