Home / 4,912.73-6,779.73-2,674.70

Finding the Fourth Proportional to 4,912.73, 6,779.73 and 2,674.70

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Solution

The fourth proportional to 4,912.73, 6,779.73 and 2,674.70 is: 3,691.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.73 : 6,779.73 = 2,674.70 : x
  2. Step 2: Convert to fraction form
    4,912.73/6,779.73 = 2,674.70/x
  3. Step 3: Cross multiply
    4,912.73x = 6,779.73 × 2,674.70
  4. Step 4: Simplify right side
    4,912.73x = 18,133,743.83
  5. Step 5: Solve for x
    x = 18,133,743.83/4,912.73
  6. Step 6: Final answer
    x = 3,691.17

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1.5x scale

Why These Related Problems?

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