Home / 5,405.94-8,099.19-2,800.98

Finding the Fourth Proportional to 5,405.94, 8,099.19 and 2,800.98

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Solution

The fourth proportional to 5,405.94, 8,099.19 and 2,800.98 is: 4,196.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,405.94 : 8,099.19 = 2,800.98 : x
  2. Step 2: Convert to fraction form
    5,405.94/8,099.19 = 2,800.98/x
  3. Step 3: Cross multiply
    5,405.94x = 8,099.19 × 2,800.98
  4. Step 4: Simplify right side
    5,405.94x = 22,685,669.21
  5. Step 5: Solve for x
    x = 22,685,669.21/5,405.94
  6. Step 6: Final answer
    x = 4,196.43

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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.