Home / 4,910.48-7,368.60-3,942.80

Finding the Fourth Proportional to 4,910.48, 7,368.60 and 3,942.80

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Solution

The fourth proportional to 4,910.48, 7,368.60 and 3,942.80 is: 5,916.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,910.48 : 7,368.60 = 3,942.80 : x
  2. Step 2: Convert to fraction form
    4,910.48/7,368.60 = 3,942.80/x
  3. Step 3: Cross multiply
    4,910.48x = 7,368.60 × 3,942.80
  4. Step 4: Simplify right side
    4,910.48x = 29,052,916.08
  5. Step 5: Solve for x
    x = 29,052,916.08/4,910.48
  6. Step 6: Final answer
    x = 5,916.51

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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.