Home / 5,511.48-8,266.86-2,389.94

Finding the Fourth Proportional to 5,511.48, 8,266.86 and 2,389.94

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Solution

The fourth proportional to 5,511.48, 8,266.86 and 2,389.94 is: 3,584.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.48 : 8,266.86 = 2,389.94 : x
  2. Step 2: Convert to fraction form
    5,511.48/8,266.86 = 2,389.94/x
  3. Step 3: Cross multiply
    5,511.48x = 8,266.86 × 2,389.94
  4. Step 4: Simplify right side
    5,511.48x = 19,757,299.39
  5. Step 5: Solve for x
    x = 19,757,299.39/5,511.48
  6. Step 6: Final answer
    x = 3,584.75

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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.