Home / 4,511.92-6,771.30-1,916.68

Finding the Fourth Proportional to 4,511.92, 6,771.30 and 1,916.68

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Solution

The fourth proportional to 4,511.92, 6,771.30 and 1,916.68 is: 2,876.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,511.92 : 6,771.30 = 1,916.68 : x
  2. Step 2: Convert to fraction form
    4,511.92/6,771.30 = 1,916.68/x
  3. Step 3: Cross multiply
    4,511.92x = 6,771.30 × 1,916.68
  4. Step 4: Simplify right side
    4,511.92x = 12,978,415.28
  5. Step 5: Solve for x
    x = 12,978,415.28/4,511.92
  6. Step 6: Final answer
    x = 2,876.47

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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.