Home / 6,631.61-9,941.60-2,680.43

Finding the Fourth Proportional to 6,631.61, 9,941.60 and 2,680.43

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Solution

The fourth proportional to 6,631.61, 9,941.60 and 2,680.43 is: 4,018.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,631.61 : 9,941.60 = 2,680.43 : x
  2. Step 2: Convert to fraction form
    6,631.61/9,941.60 = 2,680.43/x
  3. Step 3: Cross multiply
    6,631.61x = 9,941.60 × 2,680.43
  4. Step 4: Simplify right side
    6,631.61x = 26,647,719.88
  5. Step 5: Solve for x
    x = 26,647,719.88/6,631.61
  6. Step 6: Final answer
    x = 4,018.29

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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.