Home / 9,198.45-12,697.76-6,218.33

Finding the Fourth Proportional to 9,198.45, 12,697.76 and 6,218.33

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Solution

The fourth proportional to 9,198.45, 12,697.76 and 6,218.33 is: 8,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,198.45 : 12,697.76 = 6,218.33 : x
  2. Step 2: Convert to fraction form
    9,198.45/12,697.76 = 6,218.33/x
  3. Step 3: Cross multiply
    9,198.45x = 12,697.76 × 6,218.33
  4. Step 4: Simplify right side
    9,198.45x = 78,958,814.00
  5. Step 5: Solve for x
    x = 78,958,814.00/9,198.45
  6. Step 6: Final answer
    x = 8,583.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.