Home / 6,271.71-9,408.03-2,111.73

Finding the Fourth Proportional to 6,271.71, 9,408.03 and 2,111.73

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Solution

The fourth proportional to 6,271.71, 9,408.03 and 2,111.73 is: 3,167.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,271.71 : 9,408.03 = 2,111.73 : x
  2. Step 2: Convert to fraction form
    6,271.71/9,408.03 = 2,111.73/x
  3. Step 3: Cross multiply
    6,271.71x = 9,408.03 × 2,111.73
  4. Step 4: Simplify right side
    6,271.71x = 19,867,219.19
  5. Step 5: Solve for x
    x = 19,867,219.19/6,271.71
  6. Step 6: Final answer
    x = 3,167.75

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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.