Home / 5,443.20-8,145.36-4,354.56

Finding the Fourth Proportional to 5,443.20, 8,145.36 and 4,354.56

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Solution

The fourth proportional to 5,443.20, 8,145.36 and 4,354.56 is: 6,516.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,443.20 : 8,145.36 = 4,354.56 : x
  2. Step 2: Convert to fraction form
    5,443.20/8,145.36 = 4,354.56/x
  3. Step 3: Cross multiply
    5,443.20x = 8,145.36 × 4,354.56
  4. Step 4: Simplify right side
    5,443.20x = 35,469,458.84
  5. Step 5: Solve for x
    x = 35,469,458.84/5,443.20
  6. Step 6: Final answer
    x = 6,516.29

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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.