Home / 5,511.50-8,268.30-2,391.50

Finding the Fourth Proportional to 5,511.50, 8,268.30 and 2,391.50

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Solution

The fourth proportional to 5,511.50, 8,268.30 and 2,391.50 is: 3,587.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.50 : 8,268.30 = 2,391.50 : x
  2. Step 2: Convert to fraction form
    5,511.50/8,268.30 = 2,391.50/x
  3. Step 3: Cross multiply
    5,511.50x = 8,268.30 × 2,391.50
  4. Step 4: Simplify right side
    5,511.50x = 19,773,639.45
  5. Step 5: Solve for x
    x = 19,773,639.45/5,511.50
  6. Step 6: Final answer
    x = 3,587.71

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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.