Home / 4,830.45-7,247.43-1,910.76

Finding the Fourth Proportional to 4,830.45, 7,247.43 and 1,910.76

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Solution

The fourth proportional to 4,830.45, 7,247.43 and 1,910.76 is: 2,866.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,830.45 : 7,247.43 = 1,910.76 : x
  2. Step 2: Convert to fraction form
    4,830.45/7,247.43 = 1,910.76/x
  3. Step 3: Cross multiply
    4,830.45x = 7,247.43 × 1,910.76
  4. Step 4: Simplify right side
    4,830.45x = 13,848,099.35
  5. Step 5: Solve for x
    x = 13,848,099.35/4,830.45
  6. Step 6: Final answer
    x = 2,866.83

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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.