Home / 4,912.92-6,779.64-2,674.72

Finding the Fourth Proportional to 4,912.92, 6,779.64 and 2,674.72

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Solution

The fourth proportional to 4,912.92, 6,779.64 and 2,674.72 is: 3,691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.92 : 6,779.64 = 2,674.72 : x
  2. Step 2: Convert to fraction form
    4,912.92/6,779.64 = 2,674.72/x
  3. Step 3: Cross multiply
    4,912.92x = 6,779.64 × 2,674.72
  4. Step 4: Simplify right side
    4,912.92x = 18,133,638.70
  5. Step 5: Solve for x
    x = 18,133,638.70/4,912.92
  6. Step 6: Final answer
    x = 3,691.01

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.