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Finding the Fourth Proportional to 6,804.40, 10,198.08 and 3,684.40

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Solution

The fourth proportional to 6,804.40, 10,198.08 and 3,684.40 is: 5,521.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,804.40 : 10,198.08 = 3,684.40 : x
  2. Step 2: Convert to fraction form
    6,804.40/10,198.08 = 3,684.40/x
  3. Step 3: Cross multiply
    6,804.40x = 10,198.08 × 3,684.40
  4. Step 4: Simplify right side
    6,804.40x = 37,573,805.95
  5. Step 5: Solve for x
    x = 37,573,805.95/6,804.40
  6. Step 6: Final answer
    x = 5,521.99

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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.