Home / 4,423.70-6,620.16-3,634.22

Finding the Fourth Proportional to 4,423.70, 6,620.16 and 3,634.22

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Solution

The fourth proportional to 4,423.70, 6,620.16 and 3,634.22 is: 5,438.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,423.70 : 6,620.16 = 3,634.22 : x
  2. Step 2: Convert to fraction form
    4,423.70/6,620.16 = 3,634.22/x
  3. Step 3: Cross multiply
    4,423.70x = 6,620.16 × 3,634.22
  4. Step 4: Simplify right side
    4,423.70x = 24,059,117.88
  5. Step 5: Solve for x
    x = 24,059,117.88/4,423.70
  6. Step 6: Final answer
    x = 5,438.69

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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.