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Finding the Fourth Proportional to 6,646.83, 9,969.17 and 2,028.75

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Solution

The fourth proportional to 6,646.83, 9,969.17 and 2,028.75 is: 3,042.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,646.83 : 9,969.17 = 2,028.75 : x
  2. Step 2: Convert to fraction form
    6,646.83/9,969.17 = 2,028.75/x
  3. Step 3: Cross multiply
    6,646.83x = 9,969.17 × 2,028.75
  4. Step 4: Simplify right side
    6,646.83x = 20,224,943.49
  5. Step 5: Solve for x
    x = 20,224,943.49/6,646.83
  6. Step 6: Final answer
    x = 3,042.80

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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.