Home / 9,788.70-14,679.94-3,213.36

Finding the Fourth Proportional to 9,788.70, 14,679.94 and 3,213.36

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Solution

The fourth proportional to 9,788.70, 14,679.94 and 3,213.36 is: 4,819.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.70 : 14,679.94 = 3,213.36 : x
  2. Step 2: Convert to fraction form
    9,788.70/14,679.94 = 3,213.36/x
  3. Step 3: Cross multiply
    9,788.70x = 14,679.94 × 3,213.36
  4. Step 4: Simplify right side
    9,788.70x = 47,171,932.00
  5. Step 5: Solve for x
    x = 47,171,932.00/9,788.70
  6. Step 6: Final answer
    x = 4,819.02

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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.