Home / 5,422.21-8,133.55-3,226.10

Finding the Fourth Proportional to 5,422.21, 8,133.55 and 3,226.10

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Solution

The fourth proportional to 5,422.21, 8,133.55 and 3,226.10 is: 4,839.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,422.21 : 8,133.55 = 3,226.10 : x
  2. Step 2: Convert to fraction form
    5,422.21/8,133.55 = 3,226.10/x
  3. Step 3: Cross multiply
    5,422.21x = 8,133.55 × 3,226.10
  4. Step 4: Simplify right side
    5,422.21x = 26,239,596.92
  5. Step 5: Solve for x
    x = 26,239,596.92/5,422.21
  6. Step 6: Final answer
    x = 4,839.28

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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.