Home / 6,779.20-9,354.48-3,794.80

Finding the Fourth Proportional to 6,779.20, 9,354.48 and 3,794.80

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Solution

The fourth proportional to 6,779.20, 9,354.48 and 3,794.80 is: 5,236.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,779.20 : 9,354.48 = 3,794.80 : x
  2. Step 2: Convert to fraction form
    6,779.20/9,354.48 = 3,794.80/x
  3. Step 3: Cross multiply
    6,779.20x = 9,354.48 × 3,794.80
  4. Step 4: Simplify right side
    6,779.20x = 35,498,380.70
  5. Step 5: Solve for x
    x = 35,498,380.70/6,779.20
  6. Step 6: Final answer
    x = 5,236.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.