Home / 6,378.21-9,573.12-3,260.43

Finding the Fourth Proportional to 6,378.21, 9,573.12 and 3,260.43

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Solution

The fourth proportional to 6,378.21, 9,573.12 and 3,260.43 is: 4,893.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,378.21 : 9,573.12 = 3,260.43 : x
  2. Step 2: Convert to fraction form
    6,378.21/9,573.12 = 3,260.43/x
  3. Step 3: Cross multiply
    6,378.21x = 9,573.12 × 3,260.43
  4. Step 4: Simplify right side
    6,378.21x = 31,212,487.64
  5. Step 5: Solve for x
    x = 31,212,487.64/6,378.21
  6. Step 6: Final answer
    x = 4,893.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.