Home / 5,409.58-8,119.38-3,333.64

Finding the Fourth Proportional to 5,409.58, 8,119.38 and 3,333.64

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Solution

The fourth proportional to 5,409.58, 8,119.38 and 3,333.64 is: 5,003.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,409.58 : 8,119.38 = 3,333.64 : x
  2. Step 2: Convert to fraction form
    5,409.58/8,119.38 = 3,333.64/x
  3. Step 3: Cross multiply
    5,409.58x = 8,119.38 × 3,333.64
  4. Step 4: Simplify right side
    5,409.58x = 27,067,089.94
  5. Step 5: Solve for x
    x = 27,067,089.94/5,409.58
  6. Step 6: Final answer
    x = 5,003.55

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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.