Home / 5,239.62-7,853.49-2,603.84

Finding the Fourth Proportional to 5,239.62, 7,853.49 and 2,603.84

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Solution

The fourth proportional to 5,239.62, 7,853.49 and 2,603.84 is: 3,902.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,239.62 : 7,853.49 = 2,603.84 : x
  2. Step 2: Convert to fraction form
    5,239.62/7,853.49 = 2,603.84/x
  3. Step 3: Cross multiply
    5,239.62x = 7,853.49 × 2,603.84
  4. Step 4: Simplify right side
    5,239.62x = 20,449,192.13
  5. Step 5: Solve for x
    x = 20,449,192.13/5,239.62
  6. Step 6: Final answer
    x = 3,902.80

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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.