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Finding the Fourth Proportional to 6,209.88, 9,310.32 and 2,048.52

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Solution

The fourth proportional to 6,209.88, 9,310.32 and 2,048.52 is: 3,071.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,209.88 : 9,310.32 = 2,048.52 : x
  2. Step 2: Convert to fraction form
    6,209.88/9,310.32 = 2,048.52/x
  3. Step 3: Cross multiply
    6,209.88x = 9,310.32 × 2,048.52
  4. Step 4: Simplify right side
    6,209.88x = 19,072,376.73
  5. Step 5: Solve for x
    x = 19,072,376.73/6,209.88
  6. Step 6: Final answer
    x = 3,071.30

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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.