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Finding the Fourth Proportional to 6,377.92, 9,566.88 and 1,995.78

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Solution

The fourth proportional to 6,377.92, 9,566.88 and 1,995.78 is: 2,993.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.92 : 9,566.88 = 1,995.78 : x
  2. Step 2: Convert to fraction form
    6,377.92/9,566.88 = 1,995.78/x
  3. Step 3: Cross multiply
    6,377.92x = 9,566.88 × 1,995.78
  4. Step 4: Simplify right side
    6,377.92x = 19,093,387.77
  5. Step 5: Solve for x
    x = 19,093,387.77/6,377.92
  6. Step 6: Final answer
    x = 2,993.67

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Similar ratio
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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.