Home / 4,749.21-7,123.84-1,629.25

Finding the Fourth Proportional to 4,749.21, 7,123.84 and 1,629.25

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Solution

The fourth proportional to 4,749.21, 7,123.84 and 1,629.25 is: 2,443.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.21 : 7,123.84 = 1,629.25 : x
  2. Step 2: Convert to fraction form
    4,749.21/7,123.84 = 1,629.25/x
  3. Step 3: Cross multiply
    4,749.21x = 7,123.84 × 1,629.25
  4. Step 4: Simplify right side
    4,749.21x = 11,606,494.44
  5. Step 5: Solve for x
    x = 11,606,494.44/4,749.21
  6. Step 6: Final answer
    x = 2,443.88

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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.