Home / 4,912.26-6,779.20-2,816.52

Finding the Fourth Proportional to 4,912.26, 6,779.20 and 2,816.52

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Solution

The fourth proportional to 4,912.26, 6,779.20 and 2,816.52 is: 3,886.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,912.26 : 6,779.20 = 2,816.52 : x
  2. Step 2: Convert to fraction form
    4,912.26/6,779.20 = 2,816.52/x
  3. Step 3: Cross multiply
    4,912.26x = 6,779.20 × 2,816.52
  4. Step 4: Simplify right side
    4,912.26x = 19,093,752.38
  5. Step 5: Solve for x
    x = 19,093,752.38/4,912.26
  6. Step 6: Final answer
    x = 3,886.96

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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.