Home / 6,422.87-9,634.09-2,722.72

Finding the Fourth Proportional to 6,422.87, 9,634.09 and 2,722.72

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Solution

The fourth proportional to 6,422.87, 9,634.09 and 2,722.72 is: 4,083.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.87 : 9,634.09 = 2,722.72 : x
  2. Step 2: Convert to fraction form
    6,422.87/9,634.09 = 2,722.72/x
  3. Step 3: Cross multiply
    6,422.87x = 9,634.09 × 2,722.72
  4. Step 4: Simplify right side
    6,422.87x = 26,230,929.52
  5. Step 5: Solve for x
    x = 26,230,929.52/6,422.87
  6. Step 6: Final answer
    x = 4,083.99

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1.5x scale

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.