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Finding the Fourth Proportional to 4,806.26, 6,630.69 and 3,392

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Solution

The fourth proportional to 4,806.26, 6,630.69 and 3,392 is: 4,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,806.26 : 6,630.69 = 3,392 : x
  2. Step 2: Convert to fraction form
    4,806.26/6,630.69 = 3,392/x
  3. Step 3: Cross multiply
    4,806.26x = 6,630.69 × 3,392
  4. Step 4: Simplify right side
    4,806.26x = 22,491,300.48
  5. Step 5: Solve for x
    x = 22,491,300.48/4,806.26
  6. Step 6: Final answer
    x = 4,679.58

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Why These Related Problems?

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