Home / 4,722.72-7,084.32-2,258.88

Finding the Fourth Proportional to 4,722.72, 7,084.32 and 2,258.88

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Solution

The fourth proportional to 4,722.72, 7,084.32 and 2,258.88 is: 3,388.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.72 : 7,084.32 = 2,258.88 : x
  2. Step 2: Convert to fraction form
    4,722.72/7,084.32 = 2,258.88/x
  3. Step 3: Cross multiply
    4,722.72x = 7,084.32 × 2,258.88
  4. Step 4: Simplify right side
    4,722.72x = 16,002,628.76
  5. Step 5: Solve for x
    x = 16,002,628.76/4,722.72
  6. Step 6: Final answer
    x = 3,388.43

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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.