Home / 4,939.24-7,408.88-1,819.52

Finding the Fourth Proportional to 4,939.24, 7,408.88 and 1,819.52

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Solution

The fourth proportional to 4,939.24, 7,408.88 and 1,819.52 is: 2,729.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,939.24 : 7,408.88 = 1,819.52 : x
  2. Step 2: Convert to fraction form
    4,939.24/7,408.88 = 1,819.52/x
  3. Step 3: Cross multiply
    4,939.24x = 7,408.88 × 1,819.52
  4. Step 4: Simplify right side
    4,939.24x = 13,480,605.34
  5. Step 5: Solve for x
    x = 13,480,605.34/4,939.24
  6. Step 6: Final answer
    x = 2,729.29

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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.