Home / 8,756.43-13,135.99-2,911.67

Finding the Fourth Proportional to 8,756.43, 13,135.99 and 2,911.67

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Solution

The fourth proportional to 8,756.43, 13,135.99 and 2,911.67 is: 4,367.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,756.43 : 13,135.99 = 2,911.67 : x
  2. Step 2: Convert to fraction form
    8,756.43/13,135.99 = 2,911.67/x
  3. Step 3: Cross multiply
    8,756.43x = 13,135.99 × 2,911.67
  4. Step 4: Simplify right side
    8,756.43x = 38,247,668.00
  5. Step 5: Solve for x
    x = 38,247,668.00/8,756.43
  6. Step 6: Final answer
    x = 4,367.95

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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.