Home / 8,716.16-13,079.37-3,451.67

Finding the Fourth Proportional to 8,716.16, 13,079.37 and 3,451.67

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Solution

The fourth proportional to 8,716.16, 13,079.37 and 3,451.67 is: 5,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.16 : 13,079.37 = 3,451.67 : x
  2. Step 2: Convert to fraction form
    8,716.16/13,079.37 = 3,451.67/x
  3. Step 3: Cross multiply
    8,716.16x = 13,079.37 × 3,451.67
  4. Step 4: Simplify right side
    8,716.16x = 45,145,669.05
  5. Step 5: Solve for x
    x = 45,145,669.05/8,716.16
  6. Step 6: Final answer
    x = 5,179.54

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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.