Home / 5,067.69-7,604.94-1,780.80

Finding the Fourth Proportional to 5,067.69, 7,604.94 and 1,780.80

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Solution

The fourth proportional to 5,067.69, 7,604.94 and 1,780.80 is: 2,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,067.69 : 7,604.94 = 1,780.80 : x
  2. Step 2: Convert to fraction form
    5,067.69/7,604.94 = 1,780.80/x
  3. Step 3: Cross multiply
    5,067.69x = 7,604.94 × 1,780.80
  4. Step 4: Simplify right side
    5,067.69x = 13,542,877.15
  5. Step 5: Solve for x
    x = 13,542,877.15/5,067.69
  6. Step 6: Final answer
    x = 2,672.40

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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.