Home / 6,816.24-9,406.79-3,983.67

Finding the Fourth Proportional to 6,816.24, 9,406.79 and 3,983.67

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Solution

The fourth proportional to 6,816.24, 9,406.79 and 3,983.67 is: 5,497.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,816.24 : 9,406.79 = 3,983.67 : x
  2. Step 2: Convert to fraction form
    6,816.24/9,406.79 = 3,983.67/x
  3. Step 3: Cross multiply
    6,816.24x = 9,406.79 × 3,983.67
  4. Step 4: Simplify right side
    6,816.24x = 37,473,527.20
  5. Step 5: Solve for x
    x = 37,473,527.20/6,816.24
  6. Step 6: Final answer
    x = 5,497.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.