Home / 6,422.20-9,631.86-2,264.80

Finding the Fourth Proportional to 6,422.20, 9,631.86 and 2,264.80

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Solution

The fourth proportional to 6,422.20, 9,631.86 and 2,264.80 is: 3,396.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.20 : 9,631.86 = 2,264.80 : x
  2. Step 2: Convert to fraction form
    6,422.20/9,631.86 = 2,264.80/x
  3. Step 3: Cross multiply
    6,422.20x = 9,631.86 × 2,264.80
  4. Step 4: Simplify right side
    6,422.20x = 21,814,236.53
  5. Step 5: Solve for x
    x = 21,814,236.53/6,422.20
  6. Step 6: Final answer
    x = 3,396.69

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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.