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Finding the Fourth Proportional to 4,908.08, 7,362.48 and 2,684

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Solution

The fourth proportional to 4,908.08, 7,362.48 and 2,684 is: 4,026.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,908.08 : 7,362.48 = 2,684 : x
  2. Step 2: Convert to fraction form
    4,908.08/7,362.48 = 2,684/x
  3. Step 3: Cross multiply
    4,908.08x = 7,362.48 × 2,684
  4. Step 4: Simplify right side
    4,908.08x = 19,760,896.32
  5. Step 5: Solve for x
    x = 19,760,896.32/4,908.08
  6. Step 6: Final answer
    x = 4,026.20

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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.