Home / 8,414.38-12,623.39-3,220.25

Finding the Fourth Proportional to 8,414.38, 12,623.39 and 3,220.25

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Solution

The fourth proportional to 8,414.38, 12,623.39 and 3,220.25 is: 4,831.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,414.38 : 12,623.39 = 3,220.25 : x
  2. Step 2: Convert to fraction form
    8,414.38/12,623.39 = 3,220.25/x
  3. Step 3: Cross multiply
    8,414.38x = 12,623.39 × 3,220.25
  4. Step 4: Simplify right side
    8,414.38x = 40,650,455.55
  5. Step 5: Solve for x
    x = 40,650,455.55/8,414.38
  6. Step 6: Final answer
    x = 4,831.07

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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.