Home / 4,912.47-6,779.09-2,674.37

Finding the Fourth Proportional to 4,912.47, 6,779.09 and 2,674.37

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Solution

The fourth proportional to 4,912.47, 6,779.09 and 2,674.37 is: 3,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.47 : 6,779.09 = 2,674.37 : x
  2. Step 2: Convert to fraction form
    4,912.47/6,779.09 = 2,674.37/x
  3. Step 3: Cross multiply
    4,912.47x = 6,779.09 × 2,674.37
  4. Step 4: Simplify right side
    4,912.47x = 18,129,818.56
  5. Step 5: Solve for x
    x = 18,129,818.56/4,912.47
  6. Step 6: Final answer
    x = 3,690.57

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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.