Home / 5,511.33-8,266.07-1,813.60

Finding the Fourth Proportional to 5,511.33, 8,266.07 and 1,813.60

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Solution

The fourth proportional to 5,511.33, 8,266.07 and 1,813.60 is: 2,720.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.33 : 8,266.07 = 1,813.60 : x
  2. Step 2: Convert to fraction form
    5,511.33/8,266.07 = 1,813.60/x
  3. Step 3: Cross multiply
    5,511.33x = 8,266.07 × 1,813.60
  4. Step 4: Simplify right side
    5,511.33x = 14,991,344.55
  5. Step 5: Solve for x
    x = 14,991,344.55/5,511.33
  6. Step 6: Final answer
    x = 2,720.10

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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.