Home / 4,020.20-6,013.98-3,478.44

Finding the Fourth Proportional to 4,020.20, 6,013.98 and 3,478.44

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Solution

The fourth proportional to 4,020.20, 6,013.98 and 3,478.44 is: 5,203.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,020.20 : 6,013.98 = 3,478.44 : x
  2. Step 2: Convert to fraction form
    4,020.20/6,013.98 = 3,478.44/x
  3. Step 3: Cross multiply
    4,020.20x = 6,013.98 × 3,478.44
  4. Step 4: Simplify right side
    4,020.20x = 20,919,268.59
  5. Step 5: Solve for x
    x = 20,919,268.59/4,020.20
  6. Step 6: Final answer
    x = 5,203.54

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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.