Home / 5,918.31-8,874.73-2,217.89

Finding the Fourth Proportional to 5,918.31, 8,874.73 and 2,217.89

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Solution

The fourth proportional to 5,918.31, 8,874.73 and 2,217.89 is: 3,325.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,918.31 : 8,874.73 = 2,217.89 : x
  2. Step 2: Convert to fraction form
    5,918.31/8,874.73 = 2,217.89/x
  3. Step 3: Cross multiply
    5,918.31x = 8,874.73 × 2,217.89
  4. Step 4: Simplify right side
    5,918.31x = 19,683,163.83
  5. Step 5: Solve for x
    x = 19,683,163.83/5,918.31
  6. Step 6: Final answer
    x = 3,325.81

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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.