Home / 6,918.69-10,380.06-2,967.87

Finding the Fourth Proportional to 6,918.69, 10,380.06 and 2,967.87

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Solution

The fourth proportional to 6,918.69, 10,380.06 and 2,967.87 is: 4,452.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,918.69 : 10,380.06 = 2,967.87 : x
  2. Step 2: Convert to fraction form
    6,918.69/10,380.06 = 2,967.87/x
  3. Step 3: Cross multiply
    6,918.69x = 10,380.06 × 2,967.87
  4. Step 4: Simplify right side
    6,918.69x = 30,806,668.67
  5. Step 5: Solve for x
    x = 30,806,668.67/6,918.69
  6. Step 6: Final answer
    x = 4,452.67

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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.