Home / 8,716.26-13,071.65-3,784.57

Finding the Fourth Proportional to 8,716.26, 13,071.65 and 3,784.57

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Solution

The fourth proportional to 8,716.26, 13,071.65 and 3,784.57 is: 5,675.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,716.26 : 13,071.65 = 3,784.57 : x
  2. Step 2: Convert to fraction form
    8,716.26/13,071.65 = 3,784.57/x
  3. Step 3: Cross multiply
    8,716.26x = 13,071.65 × 3,784.57
  4. Step 4: Simplify right side
    8,716.26x = 49,470,628.30
  5. Step 5: Solve for x
    x = 49,470,628.30/8,716.26
  6. Step 6: Final answer
    x = 5,675.67

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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.