Home / 6,747.50-10,121.98-1,817.12

Finding the Fourth Proportional to 6,747.50, 10,121.98 and 1,817.12

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Solution

The fourth proportional to 6,747.50, 10,121.98 and 1,817.12 is: 2,725.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,747.50 : 10,121.98 = 1,817.12 : x
  2. Step 2: Convert to fraction form
    6,747.50/10,121.98 = 1,817.12/x
  3. Step 3: Cross multiply
    6,747.50x = 10,121.98 × 1,817.12
  4. Step 4: Simplify right side
    6,747.50x = 18,392,852.30
  5. Step 5: Solve for x
    x = 18,392,852.30/6,747.50
  6. Step 6: Final answer
    x = 2,725.88

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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.