Home / 4,912.55-6,779.19-2,674.38

Finding the Fourth Proportional to 4,912.55, 6,779.19 and 2,674.38

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Solution

The fourth proportional to 4,912.55, 6,779.19 and 2,674.38 is: 3,690.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.55 : 6,779.19 = 2,674.38 : x
  2. Step 2: Convert to fraction form
    4,912.55/6,779.19 = 2,674.38/x
  3. Step 3: Cross multiply
    4,912.55x = 6,779.19 × 2,674.38
  4. Step 4: Simplify right side
    4,912.55x = 18,130,098.63
  5. Step 5: Solve for x
    x = 18,130,098.63/4,912.55
  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.