Home / 4,226.40-6,363.72-3,967.20

Finding the Fourth Proportional to 4,226.40, 6,363.72 and 3,967.20

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Solution

The fourth proportional to 4,226.40, 6,363.72 and 3,967.20 is: 5,973.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.40 : 6,363.72 = 3,967.20 : x
  2. Step 2: Convert to fraction form
    4,226.40/6,363.72 = 3,967.20/x
  3. Step 3: Cross multiply
    4,226.40x = 6,363.72 × 3,967.20
  4. Step 4: Simplify right side
    4,226.40x = 25,246,149.98
  5. Step 5: Solve for x
    x = 25,246,149.98/4,226.40
  6. Step 6: Final answer
    x = 5,973.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.