Home / 8,185.05-12,273.21-2,919.24

Finding the Fourth Proportional to 8,185.05, 12,273.21 and 2,919.24

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Solution

The fourth proportional to 8,185.05, 12,273.21 and 2,919.24 is: 4,377.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,185.05 : 12,273.21 = 2,919.24 : x
  2. Step 2: Convert to fraction form
    8,185.05/12,273.21 = 2,919.24/x
  3. Step 3: Cross multiply
    8,185.05x = 12,273.21 × 2,919.24
  4. Step 4: Simplify right side
    8,185.05x = 35,828,445.56
  5. Step 5: Solve for x
    x = 35,828,445.56/8,185.05
  6. Step 6: Final answer
    x = 4,377.30

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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.