Home / 4,920.80-7,375.66-2,453.12

Finding the Fourth Proportional to 4,920.80, 7,375.66 and 2,453.12

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Solution

The fourth proportional to 4,920.80, 7,375.66 and 2,453.12 is: 3,676.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,920.80 : 7,375.66 = 2,453.12 : x
  2. Step 2: Convert to fraction form
    4,920.80/7,375.66 = 2,453.12/x
  3. Step 3: Cross multiply
    4,920.80x = 7,375.66 × 2,453.12
  4. Step 4: Simplify right side
    4,920.80x = 18,093,379.06
  5. Step 5: Solve for x
    x = 18,093,379.06/4,920.80
  6. Step 6: Final answer
    x = 3,676.92

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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.