Home / 4,226.20-6,339.75-1,759.65

Finding the Fourth Proportional to 4,226.20, 6,339.75 and 1,759.65

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Solution

The fourth proportional to 4,226.20, 6,339.75 and 1,759.65 is: 2,639.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,226.20 : 6,339.75 = 1,759.65 : x
  2. Step 2: Convert to fraction form
    4,226.20/6,339.75 = 1,759.65/x
  3. Step 3: Cross multiply
    4,226.20x = 6,339.75 × 1,759.65
  4. Step 4: Simplify right side
    4,226.20x = 11,155,741.09
  5. Step 5: Solve for x
    x = 11,155,741.09/4,226.20
  6. Step 6: Final answer
    x = 2,639.66

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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.