Home / 4,818.23-6,647.19-3,819.50

Finding the Fourth Proportional to 4,818.23, 6,647.19 and 3,819.50

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Solution

The fourth proportional to 4,818.23, 6,647.19 and 3,819.50 is: 5,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,818.23 : 6,647.19 = 3,819.50 : x
  2. Step 2: Convert to fraction form
    4,818.23/6,647.19 = 3,819.50/x
  3. Step 3: Cross multiply
    4,818.23x = 6,647.19 × 3,819.50
  4. Step 4: Simplify right side
    4,818.23x = 25,388,942.21
  5. Step 5: Solve for x
    x = 25,388,942.21/4,818.23
  6. Step 6: Final answer
    x = 5,269.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.