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Finding the Fourth Proportional to 4,789.44, 7,185.44 and 2,014.64

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Solution

The fourth proportional to 4,789.44, 7,185.44 and 2,014.64 is: 3,022.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,789.44 : 7,185.44 = 2,014.64 : x
  2. Step 2: Convert to fraction form
    4,789.44/7,185.44 = 2,014.64/x
  3. Step 3: Cross multiply
    4,789.44x = 7,185.44 × 2,014.64
  4. Step 4: Simplify right side
    4,789.44x = 14,476,074.84
  5. Step 5: Solve for x
    x = 14,476,074.84/4,789.44
  6. Step 6: Final answer
    x = 3,022.50

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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.