Home / 4,491.21-6,203.43-3,170.81

Finding the Fourth Proportional to 4,491.21, 6,203.43 and 3,170.81

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Solution

The fourth proportional to 4,491.21, 6,203.43 and 3,170.81 is: 4,379.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,491.21 : 6,203.43 = 3,170.81 : x
  2. Step 2: Convert to fraction form
    4,491.21/6,203.43 = 3,170.81/x
  3. Step 3: Cross multiply
    4,491.21x = 6,203.43 × 3,170.81
  4. Step 4: Simplify right side
    4,491.21x = 19,669,897.88
  5. Step 5: Solve for x
    x = 19,669,897.88/4,491.21
  6. Step 6: Final answer
    x = 4,379.64

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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.