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Finding the Fourth Proportional to 5,400.98, 8,099.46 and 1,889.97

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Solution

The fourth proportional to 5,400.98, 8,099.46 and 1,889.97 is: 2,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,400.98 : 8,099.46 = 1,889.97 : x
  2. Step 2: Convert to fraction form
    5,400.98/8,099.46 = 1,889.97/x
  3. Step 3: Cross multiply
    5,400.98x = 8,099.46 × 1,889.97
  4. Step 4: Simplify right side
    5,400.98x = 15,307,732.24
  5. Step 5: Solve for x
    x = 15,307,732.24/5,400.98
  6. Step 6: Final answer
    x = 2,834.25

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1.5x scale

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.