Home / 5,458.05-8,179.32-4,203.90

Finding the Fourth Proportional to 5,458.05, 8,179.32 and 4,203.90

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Solution

The fourth proportional to 5,458.05, 8,179.32 and 4,203.90 is: 6,299.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,458.05 : 8,179.32 = 4,203.90 : x
  2. Step 2: Convert to fraction form
    5,458.05/8,179.32 = 4,203.90/x
  3. Step 3: Cross multiply
    5,458.05x = 8,179.32 × 4,203.90
  4. Step 4: Simplify right side
    5,458.05x = 34,384,981.43
  5. Step 5: Solve for x
    x = 34,384,981.43/5,458.05
  6. Step 6: Final answer
    x = 6,299.87

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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.