Home / 5,384.10-8,078.21-2,099.48

Finding the Fourth Proportional to 5,384.10, 8,078.21 and 2,099.48

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Solution

The fourth proportional to 5,384.10, 8,078.21 and 2,099.48 is: 3,150.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.10 : 8,078.21 = 2,099.48 : x
  2. Step 2: Convert to fraction form
    5,384.10/8,078.21 = 2,099.48/x
  3. Step 3: Cross multiply
    5,384.10x = 8,078.21 × 2,099.48
  4. Step 4: Simplify right side
    5,384.10x = 16,960,029.83
  5. Step 5: Solve for x
    x = 16,960,029.83/5,384.10
  6. Step 6: Final answer
    x = 3,150.02

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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.