Home / 8,679.36-13,022.64-3,748.08

Finding the Fourth Proportional to 8,679.36, 13,022.64 and 3,748.08

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Solution

The fourth proportional to 8,679.36, 13,022.64 and 3,748.08 is: 5,623.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,679.36 : 13,022.64 = 3,748.08 : x
  2. Step 2: Convert to fraction form
    8,679.36/13,022.64 = 3,748.08/x
  3. Step 3: Cross multiply
    8,679.36x = 13,022.64 × 3,748.08
  4. Step 4: Simplify right side
    8,679.36x = 48,809,896.53
  5. Step 5: Solve for x
    x = 48,809,896.53/8,679.36
  6. Step 6: Final answer
    x = 5,623.67

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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.