Home / 4,722.75-7,084.19-1,644.75

Finding the Fourth Proportional to 4,722.75, 7,084.19 and 1,644.75

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Solution

The fourth proportional to 4,722.75, 7,084.19 and 1,644.75 is: 2,467.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,722.75 : 7,084.19 = 1,644.75 : x
  2. Step 2: Convert to fraction form
    4,722.75/7,084.19 = 1,644.75/x
  3. Step 3: Cross multiply
    4,722.75x = 7,084.19 × 1,644.75
  4. Step 4: Simplify right side
    4,722.75x = 11,651,713.28
  5. Step 5: Solve for x
    x = 11,651,713.28/4,722.75
  6. Step 6: Final answer
    x = 2,467.15

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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.