Home / 6,490.12-9,736.58-2,107.48

Finding the Fourth Proportional to 6,490.12, 9,736.58 and 2,107.48

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Solution

The fourth proportional to 6,490.12, 9,736.58 and 2,107.48 is: 3,161.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,490.12 : 9,736.58 = 2,107.48 : x
  2. Step 2: Convert to fraction form
    6,490.12/9,736.58 = 2,107.48/x
  3. Step 3: Cross multiply
    6,490.12x = 9,736.58 × 2,107.48
  4. Step 4: Simplify right side
    6,490.12x = 20,519,647.62
  5. Step 5: Solve for x
    x = 20,519,647.62/6,490.12
  6. Step 6: Final answer
    x = 3,161.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.