Home / 5,739.09-7,921.52-3,381.99

Finding the Fourth Proportional to 5,739.09, 7,921.52 and 3,381.99

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Solution

The fourth proportional to 5,739.09, 7,921.52 and 3,381.99 is: 4,668.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,739.09 : 7,921.52 = 3,381.99 : x
  2. Step 2: Convert to fraction form
    5,739.09/7,921.52 = 3,381.99/x
  3. Step 3: Cross multiply
    5,739.09x = 7,921.52 × 3,381.99
  4. Step 4: Simplify right side
    5,739.09x = 26,790,501.42
  5. Step 5: Solve for x
    x = 26,790,501.42/5,739.09
  6. Step 6: Final answer
    x = 4,668.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.