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Finding the Fourth Proportional to 6,376.78, 8,800.01 and 3,544.21

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Solution

The fourth proportional to 6,376.78, 8,800.01 and 3,544.21 is: 4,891.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,376.78 : 8,800.01 = 3,544.21 : x
  2. Step 2: Convert to fraction form
    6,376.78/8,800.01 = 3,544.21/x
  3. Step 3: Cross multiply
    6,376.78x = 8,800.01 × 3,544.21
  4. Step 4: Simplify right side
    6,376.78x = 31,189,083.44
  5. Step 5: Solve for x
    x = 31,189,083.44/6,376.78
  6. Step 6: Final answer
    x = 4,891.04

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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.