Home / 5,219.91-7,824.62-2,099.34

Finding the Fourth Proportional to 5,219.91, 7,824.62 and 2,099.34

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Solution

The fourth proportional to 5,219.91, 7,824.62 and 2,099.34 is: 3,146.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,219.91 : 7,824.62 = 2,099.34 : x
  2. Step 2: Convert to fraction form
    5,219.91/7,824.62 = 2,099.34/x
  3. Step 3: Cross multiply
    5,219.91x = 7,824.62 × 2,099.34
  4. Step 4: Simplify right side
    5,219.91x = 16,426,543.00
  5. Step 5: Solve for x
    x = 16,426,543.00/5,219.91
  6. Step 6: Final answer
    x = 3,146.90

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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.