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Finding the Fourth Proportional to 6,758.81, 10,137.49 and 1,828.95

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Solution

The fourth proportional to 6,758.81, 10,137.49 and 1,828.95 is: 2,743.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,758.81 : 10,137.49 = 1,828.95 : x
  2. Step 2: Convert to fraction form
    6,758.81/10,137.49 = 1,828.95/x
  3. Step 3: Cross multiply
    6,758.81x = 10,137.49 × 1,828.95
  4. Step 4: Simplify right side
    6,758.81x = 18,540,919.75
  5. Step 5: Solve for x
    x = 18,540,919.75/6,758.81
  6. Step 6: Final answer
    x = 2,743.22

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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.