Home / 6,247.05-8,620.90-3,414.43

Finding the Fourth Proportional to 6,247.05, 8,620.90 and 3,414.43

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Solution

The fourth proportional to 6,247.05, 8,620.90 and 3,414.43 is: 4,711.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,247.05 : 8,620.90 = 3,414.43 : x
  2. Step 2: Convert to fraction form
    6,247.05/8,620.90 = 3,414.43/x
  3. Step 3: Cross multiply
    6,247.05x = 8,620.90 × 3,414.43
  4. Step 4: Simplify right side
    6,247.05x = 29,435,459.59
  5. Step 5: Solve for x
    x = 29,435,459.59/6,247.05
  6. Step 6: Final answer
    x = 4,711.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.