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Finding the Fourth Proportional to 6,427, 8,869.26 and 3,483

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Solution

The fourth proportional to 6,427, 8,869.26 and 3,483 is: 4,806.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,427 : 8,869.26 = 3,483 : x
  2. Step 2: Convert to fraction form
    6,427/8,869.26 = 3,483/x
  3. Step 3: Cross multiply
    6,427x = 8,869.26 × 3,483
  4. Step 4: Simplify right side
    6,427x = 30,891,632.58
  5. Step 5: Solve for x
    x = 30,891,632.58/6,427
  6. Step 6: Final answer
    x = 4,806.54

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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.