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Finding the Fourth Proportional to 6,404.44, 8,838.30 and 3,609.88

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Solution

The fourth proportional to 6,404.44, 8,838.30 and 3,609.88 is: 4,981.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,404.44 : 8,838.30 = 3,609.88 : x
  2. Step 2: Convert to fraction form
    6,404.44/8,838.30 = 3,609.88/x
  3. Step 3: Cross multiply
    6,404.44x = 8,838.30 × 3,609.88
  4. Step 4: Simplify right side
    6,404.44x = 31,905,202.40
  5. Step 5: Solve for x
    x = 31,905,202.40/6,404.44
  6. Step 6: Final answer
    x = 4,981.73

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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.