Home / 5,384.24-8,078.66-2,099.65

Finding the Fourth Proportional to 5,384.24, 8,078.66 and 2,099.65

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Solution

The fourth proportional to 5,384.24, 8,078.66 and 2,099.65 is: 3,150.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,384.24 : 8,078.66 = 2,099.65 : x
  2. Step 2: Convert to fraction form
    5,384.24/8,078.66 = 2,099.65/x
  3. Step 3: Cross multiply
    5,384.24x = 8,078.66 × 2,099.65
  4. Step 4: Simplify right side
    5,384.24x = 16,962,358.47
  5. Step 5: Solve for x
    x = 16,962,358.47/5,384.24
  6. Step 6: Final answer
    x = 3,150.37

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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.