Home / 5,511.54-8,268.58-1,615.95

Finding the Fourth Proportional to 5,511.54, 8,268.58 and 1,615.95

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Solution

The fourth proportional to 5,511.54, 8,268.58 and 1,615.95 is: 2,424.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,511.54 : 8,268.58 = 1,615.95 : x
  2. Step 2: Convert to fraction form
    5,511.54/8,268.58 = 1,615.95/x
  3. Step 3: Cross multiply
    5,511.54x = 8,268.58 × 1,615.95
  4. Step 4: Simplify right side
    5,511.54x = 13,361,613.87
  5. Step 5: Solve for x
    x = 13,361,613.87/5,511.54
  6. Step 6: Final answer
    x = 2,424.30

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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.