Home / 4,813.20-7,221.60-1,893.54

Finding the Fourth Proportional to 4,813.20, 7,221.60 and 1,893.54

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Solution

The fourth proportional to 4,813.20, 7,221.60 and 1,893.54 is: 2,841.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,813.20 : 7,221.60 = 1,893.54 : x
  2. Step 2: Convert to fraction form
    4,813.20/7,221.60 = 1,893.54/x
  3. Step 3: Cross multiply
    4,813.20x = 7,221.60 × 1,893.54
  4. Step 4: Simplify right side
    4,813.20x = 13,674,388.46
  5. Step 5: Solve for x
    x = 13,674,388.46/4,813.20
  6. Step 6: Final answer
    x = 2,841.02

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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.