Home / 6,629.90-9,941.68-3,857.32

Finding the Fourth Proportional to 6,629.90, 9,941.68 and 3,857.32

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Solution

The fourth proportional to 6,629.90, 9,941.68 and 3,857.32 is: 5,784.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,629.90 : 9,941.68 = 3,857.32 : x
  2. Step 2: Convert to fraction form
    6,629.90/9,941.68 = 3,857.32/x
  3. Step 3: Cross multiply
    6,629.90x = 9,941.68 × 3,857.32
  4. Step 4: Simplify right side
    6,629.90x = 38,348,241.10
  5. Step 5: Solve for x
    x = 38,348,241.10/6,629.90
  6. Step 6: Final answer
    x = 5,784.14

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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.