Home / 6,647.21-9,964.67-3,723.47

Finding the Fourth Proportional to 6,647.21, 9,964.67 and 3,723.47

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Solution

The fourth proportional to 6,647.21, 9,964.67 and 3,723.47 is: 5,581.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,647.21 : 9,964.67 = 3,723.47 : x
  2. Step 2: Convert to fraction form
    6,647.21/9,964.67 = 3,723.47/x
  3. Step 3: Cross multiply
    6,647.21x = 9,964.67 × 3,723.47
  4. Step 4: Simplify right side
    6,647.21x = 37,103,139.68
  5. Step 5: Solve for x
    x = 37,103,139.68/6,647.21
  6. Step 6: Final answer
    x = 5,581.76

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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.