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Finding the Fourth Proportional to 6,447.84, 8,897.85 and 3,795.36

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Solution

The fourth proportional to 6,447.84, 8,897.85 and 3,795.36 is: 5,237.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,447.84 : 8,897.85 = 3,795.36 : x
  2. Step 2: Convert to fraction form
    6,447.84/8,897.85 = 3,795.36/x
  3. Step 3: Cross multiply
    6,447.84x = 8,897.85 × 3,795.36
  4. Step 4: Simplify right side
    6,447.84x = 33,770,543.98
  5. Step 5: Solve for x
    x = 33,770,543.98/6,447.84
  6. Step 6: Final answer
    x = 5,237.50

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