Home / 4,213.76-5,816.32-3,993.60

Finding the Fourth Proportional to 4,213.76, 5,816.32 and 3,993.60

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Solution

The fourth proportional to 4,213.76, 5,816.32 and 3,993.60 is: 5,512.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,213.76 : 5,816.32 = 3,993.60 : x
  2. Step 2: Convert to fraction form
    4,213.76/5,816.32 = 3,993.60/x
  3. Step 3: Cross multiply
    4,213.76x = 5,816.32 × 3,993.60
  4. Step 4: Simplify right side
    4,213.76x = 23,228,055.55
  5. Step 5: Solve for x
    x = 23,228,055.55/4,213.76
  6. Step 6: Final answer
    x = 5,512.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.