Home / 5,288.85-7,922.30-2,369.21

Finding the Fourth Proportional to 5,288.85, 7,922.30 and 2,369.21

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Solution

The fourth proportional to 5,288.85, 7,922.30 and 2,369.21 is: 3,548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,288.85 : 7,922.30 = 2,369.21 : x
  2. Step 2: Convert to fraction form
    5,288.85/7,922.30 = 2,369.21/x
  3. Step 3: Cross multiply
    5,288.85x = 7,922.30 × 2,369.21
  4. Step 4: Simplify right side
    5,288.85x = 18,769,540.93
  5. Step 5: Solve for x
    x = 18,769,540.93/5,288.85
  6. Step 6: Final answer
    x = 3,548.89

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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.