Home / 4,099.80-6,135.30-2,803.80

Finding the Fourth Proportional to 4,099.80, 6,135.30 and 2,803.80

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Solution

The fourth proportional to 4,099.80, 6,135.30 and 2,803.80 is: 4,195.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,099.80 : 6,135.30 = 2,803.80 : x
  2. Step 2: Convert to fraction form
    4,099.80/6,135.30 = 2,803.80/x
  3. Step 3: Cross multiply
    4,099.80x = 6,135.30 × 2,803.80
  4. Step 4: Simplify right side
    4,099.80x = 17,202,154.14
  5. Step 5: Solve for x
    x = 17,202,154.14/4,099.80
  6. Step 6: Final answer
    x = 4,195.85

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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.