Home / 6,745.44-10,118.84-1,815.12

Finding the Fourth Proportional to 6,745.44, 10,118.84 and 1,815.12

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Solution

The fourth proportional to 6,745.44, 10,118.84 and 1,815.12 is: 2,722.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,745.44 : 10,118.84 = 1,815.12 : x
  2. Step 2: Convert to fraction form
    6,745.44/10,118.84 = 1,815.12/x
  3. Step 3: Cross multiply
    6,745.44x = 10,118.84 × 1,815.12
  4. Step 4: Simplify right side
    6,745.44x = 18,366,908.86
  5. Step 5: Solve for x
    x = 18,366,908.86/6,745.44
  6. Step 6: Final answer
    x = 2,722.86

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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.