Home / 4,480.44-6,720.67-1,360.47

Finding the Fourth Proportional to 4,480.44, 6,720.67 and 1,360.47

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Solution

The fourth proportional to 4,480.44, 6,720.67 and 1,360.47 is: 2,040.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,480.44 : 6,720.67 = 1,360.47 : x
  2. Step 2: Convert to fraction form
    4,480.44/6,720.67 = 1,360.47/x
  3. Step 3: Cross multiply
    4,480.44x = 6,720.67 × 1,360.47
  4. Step 4: Simplify right side
    4,480.44x = 9,143,269.91
  5. Step 5: Solve for x
    x = 9,143,269.91/4,480.44
  6. Step 6: Final answer
    x = 2,040.71

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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.