Home / 5,811.82-8,719.70-2,114.34

Finding the Fourth Proportional to 5,811.82, 8,719.70 and 2,114.34

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Solution

The fourth proportional to 5,811.82, 8,719.70 and 2,114.34 is: 3,172.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,811.82 : 8,719.70 = 2,114.34 : x
  2. Step 2: Convert to fraction form
    5,811.82/8,719.70 = 2,114.34/x
  3. Step 3: Cross multiply
    5,811.82x = 8,719.70 × 2,114.34
  4. Step 4: Simplify right side
    5,811.82x = 18,436,410.50
  5. Step 5: Solve for x
    x = 18,436,410.50/5,811.82
  6. Step 6: Final answer
    x = 3,172.23

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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.