Home / 4,485.22-6,728.85-2,258.49

Finding the Fourth Proportional to 4,485.22, 6,728.85 and 2,258.49

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Solution

The fourth proportional to 4,485.22, 6,728.85 and 2,258.49 is: 3,388.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,485.22 : 6,728.85 = 2,258.49 : x
  2. Step 2: Convert to fraction form
    4,485.22/6,728.85 = 2,258.49/x
  3. Step 3: Cross multiply
    4,485.22x = 6,728.85 × 2,258.49
  4. Step 4: Simplify right side
    4,485.22x = 15,197,040.44
  5. Step 5: Solve for x
    x = 15,197,040.44/4,485.22
  6. Step 6: Final answer
    x = 3,388.25

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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.