Home / 6,747.42-10,121.82-1,817.10

Finding the Fourth Proportional to 6,747.42, 10,121.82 and 1,817.10

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Solution

The fourth proportional to 6,747.42, 10,121.82 and 1,817.10 is: 2,725.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.42 : 10,121.82 = 1,817.10 : x
  2. Step 2: Convert to fraction form
    6,747.42/10,121.82 = 1,817.10/x
  3. Step 3: Cross multiply
    6,747.42x = 10,121.82 × 1,817.10
  4. Step 4: Simplify right side
    6,747.42x = 18,392,359.12
  5. Step 5: Solve for x
    x = 18,392,359.12/6,747.42
  6. Step 6: Final answer
    x = 2,725.84

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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.