Home / 4,226.15-6,343.10-2,147.60

Finding the Fourth Proportional to 4,226.15, 6,343.10 and 2,147.60

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Solution

The fourth proportional to 4,226.15, 6,343.10 and 2,147.60 is: 3,223.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.15 : 6,343.10 = 2,147.60 : x
  2. Step 2: Convert to fraction form
    4,226.15/6,343.10 = 2,147.60/x
  3. Step 3: Cross multiply
    4,226.15x = 6,343.10 × 2,147.60
  4. Step 4: Simplify right side
    4,226.15x = 13,622,441.56
  5. Step 5: Solve for x
    x = 13,622,441.56/4,226.15
  6. Step 6: Final answer
    x = 3,223.37

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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.