Home / 6,879.06-10,319.34-2,197.98

Finding the Fourth Proportional to 6,879.06, 10,319.34 and 2,197.98

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Solution

The fourth proportional to 6,879.06, 10,319.34 and 2,197.98 is: 3,297.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,879.06 : 10,319.34 = 2,197.98 : x
  2. Step 2: Convert to fraction form
    6,879.06/10,319.34 = 2,197.98/x
  3. Step 3: Cross multiply
    6,879.06x = 10,319.34 × 2,197.98
  4. Step 4: Simplify right side
    6,879.06x = 22,681,702.93
  5. Step 5: Solve for x
    x = 22,681,702.93/6,879.06
  6. Step 6: Final answer
    x = 3,297.21

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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.