Home / 5,939.92-8,915.28-2,821.84

Finding the Fourth Proportional to 5,939.92, 8,915.28 and 2,821.84

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Solution

The fourth proportional to 5,939.92, 8,915.28 and 2,821.84 is: 4,235.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,939.92 : 8,915.28 = 2,821.84 : x
  2. Step 2: Convert to fraction form
    5,939.92/8,915.28 = 2,821.84/x
  3. Step 3: Cross multiply
    5,939.92x = 8,915.28 × 2,821.84
  4. Step 4: Simplify right side
    5,939.92x = 25,157,493.72
  5. Step 5: Solve for x
    x = 25,157,493.72/5,939.92
  6. Step 6: Final answer
    x = 4,235.33

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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.