Home / 6,739.80-10,109.18-2,790.04

Finding the Fourth Proportional to 6,739.80, 10,109.18 and 2,790.04

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Solution

The fourth proportional to 6,739.80, 10,109.18 and 2,790.04 is: 4,184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,739.80 : 10,109.18 = 2,790.04 : x
  2. Step 2: Convert to fraction form
    6,739.80/10,109.18 = 2,790.04/x
  3. Step 3: Cross multiply
    6,739.80x = 10,109.18 × 2,790.04
  4. Step 4: Simplify right side
    6,739.80x = 28,205,016.57
  5. Step 5: Solve for x
    x = 28,205,016.57/6,739.80
  6. Step 6: Final answer
    x = 4,184.84

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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.