Home / 8,119.24-12,171.54-3,734.44

Finding the Fourth Proportional to 8,119.24, 12,171.54 and 3,734.44

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Solution

The fourth proportional to 8,119.24, 12,171.54 and 3,734.44 is: 5,598.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,119.24 : 12,171.54 = 3,734.44 : x
  2. Step 2: Convert to fraction form
    8,119.24/12,171.54 = 3,734.44/x
  3. Step 3: Cross multiply
    8,119.24x = 12,171.54 × 3,734.44
  4. Step 4: Simplify right side
    8,119.24x = 45,453,885.84
  5. Step 5: Solve for x
    x = 45,453,885.84/8,119.24
  6. Step 6: Final answer
    x = 5,598.29

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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.