Home / 4,297.20-6,447.60-3,072.48

Finding the Fourth Proportional to 4,297.20, 6,447.60 and 3,072.48

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Solution

The fourth proportional to 4,297.20, 6,447.60 and 3,072.48 is: 4,610.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,297.20 : 6,447.60 = 3,072.48 : x
  2. Step 2: Convert to fraction form
    4,297.20/6,447.60 = 3,072.48/x
  3. Step 3: Cross multiply
    4,297.20x = 6,447.60 × 3,072.48
  4. Step 4: Simplify right side
    4,297.20x = 19,810,122.05
  5. Step 5: Solve for x
    x = 19,810,122.05/4,297.20
  6. Step 6: Final answer
    x = 4,610.01

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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.