Home / 8,309.44-12,467.46-3,379.45

Finding the Fourth Proportional to 8,309.44, 12,467.46 and 3,379.45

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Solution

The fourth proportional to 8,309.44, 12,467.46 and 3,379.45 is: 5,070.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,309.44 : 12,467.46 = 3,379.45 : x
  2. Step 2: Convert to fraction form
    8,309.44/12,467.46 = 3,379.45/x
  3. Step 3: Cross multiply
    8,309.44x = 12,467.46 × 3,379.45
  4. Step 4: Simplify right side
    8,309.44x = 42,133,157.70
  5. Step 5: Solve for x
    x = 42,133,157.70/8,309.44
  6. Step 6: Final answer
    x = 5,070.52

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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.