Home / 4,481.45-6,720.49-1,360.54

Finding the Fourth Proportional to 4,481.45, 6,720.49 and 1,360.54

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Solution

The fourth proportional to 4,481.45, 6,720.49 and 1,360.54 is: 2,040.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,481.45 : 6,720.49 = 1,360.54 : x
  2. Step 2: Convert to fraction form
    4,481.45/6,720.49 = 1,360.54/x
  3. Step 3: Cross multiply
    4,481.45x = 6,720.49 × 1,360.54
  4. Step 4: Simplify right side
    4,481.45x = 9,143,495.46
  5. Step 5: Solve for x
    x = 9,143,495.46/4,481.45
  6. Step 6: Final answer
    x = 2,040.30

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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.