Home / 4,179.58-6,269.68-1,406.24

Finding the Fourth Proportional to 4,179.58, 6,269.68 and 1,406.24

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Solution

The fourth proportional to 4,179.58, 6,269.68 and 1,406.24 is: 2,109.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,179.58 : 6,269.68 = 1,406.24 : x
  2. Step 2: Convert to fraction form
    4,179.58/6,269.68 = 1,406.24/x
  3. Step 3: Cross multiply
    4,179.58x = 6,269.68 × 1,406.24
  4. Step 4: Simplify right side
    4,179.58x = 8,816,674.80
  5. Step 5: Solve for x
    x = 8,816,674.80/4,179.58
  6. Step 6: Final answer
    x = 2,109.46

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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.