Home / 5,351.20-8,029.68-3,404.32

Finding the Fourth Proportional to 5,351.20, 8,029.68 and 3,404.32

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Solution

The fourth proportional to 5,351.20, 8,029.68 and 3,404.32 is: 5,108.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,351.20 : 8,029.68 = 3,404.32 : x
  2. Step 2: Convert to fraction form
    5,351.20/8,029.68 = 3,404.32/x
  3. Step 3: Cross multiply
    5,351.20x = 8,029.68 × 3,404.32
  4. Step 4: Simplify right side
    5,351.20x = 27,335,600.22
  5. Step 5: Solve for x
    x = 27,335,600.22/5,351.20
  6. Step 6: Final answer
    x = 5,108.31

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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.