Home / 6,422.20-9,633.30-4,453.90

Finding the Fourth Proportional to 6,422.20, 9,633.30 and 4,453.90

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Solution

The fourth proportional to 6,422.20, 9,633.30 and 4,453.90 is: 6,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,422.20 : 9,633.30 = 4,453.90 : x
  2. Step 2: Convert to fraction form
    6,422.20/9,633.30 = 4,453.90/x
  3. Step 3: Cross multiply
    6,422.20x = 9,633.30 × 4,453.90
  4. Step 4: Simplify right side
    6,422.20x = 42,905,754.87
  5. Step 5: Solve for x
    x = 42,905,754.87/6,422.20
  6. Step 6: Final answer
    x = 6,680.85

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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.