Home / 6,763.80-9,333.87-3,779.66

Finding the Fourth Proportional to 6,763.80, 9,333.87 and 3,779.66

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Solution

The fourth proportional to 6,763.80, 9,333.87 and 3,779.66 is: 5,215.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,763.80 : 9,333.87 = 3,779.66 : x
  2. Step 2: Convert to fraction form
    6,763.80/9,333.87 = 3,779.66/x
  3. Step 3: Cross multiply
    6,763.80x = 9,333.87 × 3,779.66
  4. Step 4: Simplify right side
    6,763.80x = 35,278,878.42
  5. Step 5: Solve for x
    x = 35,278,878.42/6,763.80
  6. Step 6: Final answer
    x = 5,215.83

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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.