Home / 6,321-9,481.11-1,938.12

Finding the Fourth Proportional to 6,321, 9,481.11 and 1,938.12

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Solution

The fourth proportional to 6,321, 9,481.11 and 1,938.12 is: 2,907.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,321 : 9,481.11 = 1,938.12 : x
  2. Step 2: Convert to fraction form
    6,321/9,481.11 = 1,938.12/x
  3. Step 3: Cross multiply
    6,321x = 9,481.11 × 1,938.12
  4. Step 4: Simplify right side
    6,321x = 18,375,528.91
  5. Step 5: Solve for x
    x = 18,375,528.91/6,321
  6. Step 6: Final answer
    x = 2,907.06

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1.5x scale

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.