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Finding the Fourth Proportional to 6,608.80, 9,912.24 and 1,927.55

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Solution

The fourth proportional to 6,608.80, 9,912.24 and 1,927.55 is: 2,891.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,608.80 : 9,912.24 = 1,927.55 : x
  2. Step 2: Convert to fraction form
    6,608.80/9,912.24 = 1,927.55/x
  3. Step 3: Cross multiply
    6,608.80x = 9,912.24 × 1,927.55
  4. Step 4: Simplify right side
    6,608.80x = 19,106,338.21
  5. Step 5: Solve for x
    x = 19,106,338.21/6,608.80
  6. Step 6: Final answer
    x = 2,891.05

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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.