Home / 4,749.66-7,128.36-3,364.35

Finding the Fourth Proportional to 4,749.66, 7,128.36 and 3,364.35

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Solution

The fourth proportional to 4,749.66, 7,128.36 and 3,364.35 is: 5,049.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,749.66 : 7,128.36 = 3,364.35 : x
  2. Step 2: Convert to fraction form
    4,749.66/7,128.36 = 3,364.35/x
  3. Step 3: Cross multiply
    4,749.66x = 7,128.36 × 3,364.35
  4. Step 4: Simplify right side
    4,749.66x = 23,982,297.97
  5. Step 5: Solve for x
    x = 23,982,297.97/4,749.66
  6. Step 6: Final answer
    x = 5,049.27

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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.