Home / 5,511.23-8,266-1,813.53

Finding the Fourth Proportional to 5,511.23, 8,266 and 1,813.53

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Solution

The fourth proportional to 5,511.23, 8,266 and 1,813.53 is: 2,720.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.23 : 8,266 = 1,813.53 : x
  2. Step 2: Convert to fraction form
    5,511.23/8,266 = 1,813.53/x
  3. Step 3: Cross multiply
    5,511.23x = 8,266 × 1,813.53
  4. Step 4: Simplify right side
    5,511.23x = 14,990,638.98
  5. Step 5: Solve for x
    x = 14,990,638.98/5,511.23
  6. Step 6: Final answer
    x = 2,720.02

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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.