Home / 5,389.54-8,078.31-2,268.62

Finding the Fourth Proportional to 5,389.54, 8,078.31 and 2,268.62

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Solution

The fourth proportional to 5,389.54, 8,078.31 and 2,268.62 is: 3,400.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.54 : 8,078.31 = 2,268.62 : x
  2. Step 2: Convert to fraction form
    5,389.54/8,078.31 = 2,268.62/x
  3. Step 3: Cross multiply
    5,389.54x = 8,078.31 × 2,268.62
  4. Step 4: Simplify right side
    5,389.54x = 18,326,615.63
  5. Step 5: Solve for x
    x = 18,326,615.63/5,389.54
  6. Step 6: Final answer
    x = 3,400.41

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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.