Home / 4,179.46-6,269.49-1,406.12

Finding the Fourth Proportional to 4,179.46, 6,269.49 and 1,406.12

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Solution

The fourth proportional to 4,179.46, 6,269.49 and 1,406.12 is: 2,109.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.46 : 6,269.49 = 1,406.12 : x
  2. Step 2: Convert to fraction form
    4,179.46/6,269.49 = 1,406.12/x
  3. Step 3: Cross multiply
    4,179.46x = 6,269.49 × 1,406.12
  4. Step 4: Simplify right side
    4,179.46x = 8,815,623.93
  5. Step 5: Solve for x
    x = 8,815,623.93/4,179.46
  6. Step 6: Final answer
    x = 2,109.27

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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.