Home / 4,012.20-6,019.99-2,255.07

Finding the Fourth Proportional to 4,012.20, 6,019.99 and 2,255.07

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Solution

The fourth proportional to 4,012.20, 6,019.99 and 2,255.07 is: 3,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,012.20 : 6,019.99 = 2,255.07 : x
  2. Step 2: Convert to fraction form
    4,012.20/6,019.99 = 2,255.07/x
  3. Step 3: Cross multiply
    4,012.20x = 6,019.99 × 2,255.07
  4. Step 4: Simplify right side
    4,012.20x = 13,575,515.79
  5. Step 5: Solve for x
    x = 13,575,515.79/4,012.20
  6. Step 6: Final answer
    x = 3,383.56

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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.