Home / 7,745.07-11,616.44-2,480.70

Finding the Fourth Proportional to 7,745.07, 11,616.44 and 2,480.70

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Solution

The fourth proportional to 7,745.07, 11,616.44 and 2,480.70 is: 3,720.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,745.07 : 11,616.44 = 2,480.70 : x
  2. Step 2: Convert to fraction form
    7,745.07/11,616.44 = 2,480.70/x
  3. Step 3: Cross multiply
    7,745.07x = 11,616.44 × 2,480.70
  4. Step 4: Simplify right side
    7,745.07x = 28,816,890.30
  5. Step 5: Solve for x
    x = 28,816,890.30/7,745.07
  6. Step 6: Final answer
    x = 3,720.68

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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.