Home / 5,808.11-8,709.98-2,109.42

Finding the Fourth Proportional to 5,808.11, 8,709.98 and 2,109.42

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Solution

The fourth proportional to 5,808.11, 8,709.98 and 2,109.42 is: 3,163.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,808.11 : 8,709.98 = 2,109.42 : x
  2. Step 2: Convert to fraction form
    5,808.11/8,709.98 = 2,109.42/x
  3. Step 3: Cross multiply
    5,808.11x = 8,709.98 × 2,109.42
  4. Step 4: Simplify right side
    5,808.11x = 18,372,995.46
  5. Step 5: Solve for x
    x = 18,372,995.46/5,808.11
  6. Step 6: Final answer
    x = 3,163.34

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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.