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Finding the Fourth Proportional to 6,738.98, 9,300.08 and 3,754.81

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Solution

The fourth proportional to 6,738.98, 9,300.08 and 3,754.81 is: 5,181.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,738.98 : 9,300.08 = 3,754.81 : x
  2. Step 2: Convert to fraction form
    6,738.98/9,300.08 = 3,754.81/x
  3. Step 3: Cross multiply
    6,738.98x = 9,300.08 × 3,754.81
  4. Step 4: Simplify right side
    6,738.98x = 34,920,033.38
  5. Step 5: Solve for x
    x = 34,920,033.38/6,738.98
  6. Step 6: Final answer
    x = 5,181.80

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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.