Home / 4,239.75-6,359.81-1,161.75

Finding the Fourth Proportional to 4,239.75, 6,359.81 and 1,161.75

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Solution

The fourth proportional to 4,239.75, 6,359.81 and 1,161.75 is: 1,742.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,239.75 : 6,359.81 = 1,161.75 : x
  2. Step 2: Convert to fraction form
    4,239.75/6,359.81 = 1,161.75/x
  3. Step 3: Cross multiply
    4,239.75x = 6,359.81 × 1,161.75
  4. Step 4: Simplify right side
    4,239.75x = 7,388,503.46
  5. Step 5: Solve for x
    x = 7,388,503.46/4,239.75
  6. Step 6: Final answer
    x = 1,742.67

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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.