Home / 9,788.19-14,679.21-3,212.85

Finding the Fourth Proportional to 9,788.19, 14,679.21 and 3,212.85

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Solution

The fourth proportional to 9,788.19, 14,679.21 and 3,212.85 is: 4,818.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,788.19 : 14,679.21 = 3,212.85 : x
  2. Step 2: Convert to fraction form
    9,788.19/14,679.21 = 3,212.85/x
  3. Step 3: Cross multiply
    9,788.19x = 14,679.21 × 3,212.85
  4. Step 4: Simplify right side
    9,788.19x = 47,162,099.85
  5. Step 5: Solve for x
    x = 47,162,099.85/9,788.19
  6. Step 6: Final answer
    x = 4,818.27

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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.