Home / 6,627.98-9,940.86-2,185.70

Finding the Fourth Proportional to 6,627.98, 9,940.86 and 2,185.70

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Solution

The fourth proportional to 6,627.98, 9,940.86 and 2,185.70 is: 3,278.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,627.98 : 9,940.86 = 2,185.70 : x
  2. Step 2: Convert to fraction form
    6,627.98/9,940.86 = 2,185.70/x
  3. Step 3: Cross multiply
    6,627.98x = 9,940.86 × 2,185.70
  4. Step 4: Simplify right side
    6,627.98x = 21,727,737.70
  5. Step 5: Solve for x
    x = 21,727,737.70/6,627.98
  6. Step 6: Final answer
    x = 3,278.18

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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.