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Finding the Fourth Proportional to 6,248.21, 8,622.50 and 3,415.64

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Solution

The fourth proportional to 6,248.21, 8,622.50 and 3,415.64 is: 4,713.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,248.21 : 8,622.50 = 3,415.64 : x
  2. Step 2: Convert to fraction form
    6,248.21/8,622.50 = 3,415.64/x
  3. Step 3: Cross multiply
    6,248.21x = 8,622.50 × 3,415.64
  4. Step 4: Simplify right side
    6,248.21x = 29,451,295.71
  5. Step 5: Solve for x
    x = 29,451,295.71/6,248.21
  6. Step 6: Final answer
    x = 4,713.56

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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.