Home / 4,082.07-6,122.19-1,890.48

Finding the Fourth Proportional to 4,082.07, 6,122.19 and 1,890.48

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Solution

The fourth proportional to 4,082.07, 6,122.19 and 1,890.48 is: 2,835.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,082.07 : 6,122.19 = 1,890.48 : x
  2. Step 2: Convert to fraction form
    4,082.07/6,122.19 = 1,890.48/x
  3. Step 3: Cross multiply
    4,082.07x = 6,122.19 × 1,890.48
  4. Step 4: Simplify right side
    4,082.07x = 11,573,877.75
  5. Step 5: Solve for x
    x = 11,573,877.75/4,082.07
  6. Step 6: Final answer
    x = 2,835.30

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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.