Home / 4,109.11-6,163.67-1,031.11

Finding the Fourth Proportional to 4,109.11, 6,163.67 and 1,031.11

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Solution

The fourth proportional to 4,109.11, 6,163.67 and 1,031.11 is: 1,546.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,109.11 : 6,163.67 = 1,031.11 : x
  2. Step 2: Convert to fraction form
    4,109.11/6,163.67 = 1,031.11/x
  3. Step 3: Cross multiply
    4,109.11x = 6,163.67 × 1,031.11
  4. Step 4: Simplify right side
    4,109.11x = 6,355,421.77
  5. Step 5: Solve for x
    x = 6,355,421.77/4,109.11
  6. Step 6: Final answer
    x = 1,546.67

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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.