Home / 8,414.21-12,622.03-2,174.18

Finding the Fourth Proportional to 8,414.21, 12,622.03 and 2,174.18

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Solution

The fourth proportional to 8,414.21, 12,622.03 and 2,174.18 is: 3,261.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.21 : 12,622.03 = 2,174.18 : x
  2. Step 2: Convert to fraction form
    8,414.21/12,622.03 = 2,174.18/x
  3. Step 3: Cross multiply
    8,414.21x = 12,622.03 × 2,174.18
  4. Step 4: Simplify right side
    8,414.21x = 27,442,496.64
  5. Step 5: Solve for x
    x = 27,442,496.64/8,414.21
  6. Step 6: Final answer
    x = 3,261.45

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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.