Home / 4,912.11-7,368.68-1,625.80

Finding the Fourth Proportional to 4,912.11, 7,368.68 and 1,625.80

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Solution

The fourth proportional to 4,912.11, 7,368.68 and 1,625.80 is: 2,438.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.11 : 7,368.68 = 1,625.80 : x
  2. Step 2: Convert to fraction form
    4,912.11/7,368.68 = 1,625.80/x
  3. Step 3: Cross multiply
    4,912.11x = 7,368.68 × 1,625.80
  4. Step 4: Simplify right side
    4,912.11x = 11,979,999.94
  5. Step 5: Solve for x
    x = 11,979,999.94/4,912.11
  6. Step 6: Final answer
    x = 2,438.87

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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.