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Finding the Fourth Proportional to 6,738.06, 10,107.09 and 1,807.59

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Solution

The fourth proportional to 6,738.06, 10,107.09 and 1,807.59 is: 2,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.06 : 10,107.09 = 1,807.59 : x
  2. Step 2: Convert to fraction form
    6,738.06/10,107.09 = 1,807.59/x
  3. Step 3: Cross multiply
    6,738.06x = 10,107.09 × 1,807.59
  4. Step 4: Simplify right side
    6,738.06x = 18,269,474.81
  5. Step 5: Solve for x
    x = 18,269,474.81/6,738.06
  6. Step 6: Final answer
    x = 2,711.39

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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.