Home / 5,239.40-7,231.94-3,667.88

Finding the Fourth Proportional to 5,239.40, 7,231.94 and 3,667.88

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Solution

The fourth proportional to 5,239.40, 7,231.94 and 3,667.88 is: 5,062.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.40 : 7,231.94 = 3,667.88 : x
  2. Step 2: Convert to fraction form
    5,239.40/7,231.94 = 3,667.88/x
  3. Step 3: Cross multiply
    5,239.40x = 7,231.94 × 3,667.88
  4. Step 4: Simplify right side
    5,239.40x = 26,525,888.09
  5. Step 5: Solve for x
    x = 26,525,888.09/5,239.40
  6. Step 6: Final answer
    x = 5,062.77

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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.