Home / 5,872.34-8,103.87-3,219.77

Finding the Fourth Proportional to 5,872.34, 8,103.87 and 3,219.77

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Solution

The fourth proportional to 5,872.34, 8,103.87 and 3,219.77 is: 4,443.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,872.34 : 8,103.87 = 3,219.77 : x
  2. Step 2: Convert to fraction form
    5,872.34/8,103.87 = 3,219.77/x
  3. Step 3: Cross multiply
    5,872.34x = 8,103.87 × 3,219.77
  4. Step 4: Simplify right side
    5,872.34x = 26,092,556.99
  5. Step 5: Solve for x
    x = 26,092,556.99/5,872.34
  6. Step 6: Final answer
    x = 4,443.30

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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.