Home / 4,145.85-6,209.46-1,949.94

Finding the Fourth Proportional to 4,145.85, 6,209.46 and 1,949.94

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Solution

The fourth proportional to 4,145.85, 6,209.46 and 1,949.94 is: 2,920.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,145.85 : 6,209.46 = 1,949.94 : x
  2. Step 2: Convert to fraction form
    4,145.85/6,209.46 = 1,949.94/x
  3. Step 3: Cross multiply
    4,145.85x = 6,209.46 × 1,949.94
  4. Step 4: Simplify right side
    4,145.85x = 12,108,074.43
  5. Step 5: Solve for x
    x = 12,108,074.43/4,145.85
  6. Step 6: Final answer
    x = 2,920.53

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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.