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Finding the Fourth Proportional to 6,377.45, 8,799.92 and 3,544.85

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Solution

The fourth proportional to 6,377.45, 8,799.92 and 3,544.85 is: 4,891.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,377.45 : 8,799.92 = 3,544.85 : x
  2. Step 2: Convert to fraction form
    6,377.45/8,799.92 = 3,544.85/x
  3. Step 3: Cross multiply
    6,377.45x = 8,799.92 × 3,544.85
  4. Step 4: Simplify right side
    6,377.45x = 31,194,334.69
  5. Step 5: Solve for x
    x = 31,194,334.69/6,377.45
  6. Step 6: Final answer
    x = 4,891.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.