Home / 4,517.83-6,780.80-3,782.05

Finding the Fourth Proportional to 4,517.83, 6,780.80 and 3,782.05

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Solution

The fourth proportional to 4,517.83, 6,780.80 and 3,782.05 is: 5,676.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,517.83 : 6,780.80 = 3,782.05 : x
  2. Step 2: Convert to fraction form
    4,517.83/6,780.80 = 3,782.05/x
  3. Step 3: Cross multiply
    4,517.83x = 6,780.80 × 3,782.05
  4. Step 4: Simplify right side
    4,517.83x = 25,645,324.64
  5. Step 5: Solve for x
    x = 25,645,324.64/4,517.83
  6. Step 6: Final answer
    x = 5,676.47

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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.