Home / 5,389.23-8,086.95-2,268.99

Finding the Fourth Proportional to 5,389.23, 8,086.95 and 2,268.99

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Solution

The fourth proportional to 5,389.23, 8,086.95 and 2,268.99 is: 3,404.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,389.23 : 8,086.95 = 2,268.99 : x
  2. Step 2: Convert to fraction form
    5,389.23/8,086.95 = 2,268.99/x
  3. Step 3: Cross multiply
    5,389.23x = 8,086.95 × 2,268.99
  4. Step 4: Simplify right side
    5,389.23x = 18,349,208.68
  5. Step 5: Solve for x
    x = 18,349,208.68/5,389.23
  6. Step 6: Final answer
    x = 3,404.79

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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.