Home / 6,481.60-9,723-3,900.94

Finding the Fourth Proportional to 6,481.60, 9,723 and 3,900.94

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Solution

The fourth proportional to 6,481.60, 9,723 and 3,900.94 is: 5,851.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,481.60 : 9,723 = 3,900.94 : x
  2. Step 2: Convert to fraction form
    6,481.60/9,723 = 3,900.94/x
  3. Step 3: Cross multiply
    6,481.60x = 9,723 × 3,900.94
  4. Step 4: Simplify right side
    6,481.60x = 37,928,839.62
  5. Step 5: Solve for x
    x = 37,928,839.62/6,481.60
  6. Step 6: Final answer
    x = 5,851.77

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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.