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Finding the Fourth Proportional to 6,307.94, 8,704.77 and 3,619.61

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Solution

The fourth proportional to 6,307.94, 8,704.77 and 3,619.61 is: 4,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,307.94 : 8,704.77 = 3,619.61 : x
  2. Step 2: Convert to fraction form
    6,307.94/8,704.77 = 3,619.61/x
  3. Step 3: Cross multiply
    6,307.94x = 8,704.77 × 3,619.61
  4. Step 4: Simplify right side
    6,307.94x = 31,507,872.54
  5. Step 5: Solve for x
    x = 31,507,872.54/6,307.94
  6. Step 6: Final answer
    x = 4,994.95

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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.