Home / 7,328.46-10,998.60-3,819.54

Finding the Fourth Proportional to 7,328.46, 10,998.60 and 3,819.54

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Solution

The fourth proportional to 7,328.46, 10,998.60 and 3,819.54 is: 5,732.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,328.46 : 10,998.60 = 3,819.54 : x
  2. Step 2: Convert to fraction form
    7,328.46/10,998.60 = 3,819.54/x
  3. Step 3: Cross multiply
    7,328.46x = 10,998.60 × 3,819.54
  4. Step 4: Simplify right side
    7,328.46x = 42,009,592.64
  5. Step 5: Solve for x
    x = 42,009,592.64/7,328.46
  6. Step 6: Final answer
    x = 5,732.39

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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.