Home / 5,086.40-7,629.44-3,020.56

Finding the Fourth Proportional to 5,086.40, 7,629.44 and 3,020.56

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Solution

The fourth proportional to 5,086.40, 7,629.44 and 3,020.56 is: 4,530.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,086.40 : 7,629.44 = 3,020.56 : x
  2. Step 2: Convert to fraction form
    5,086.40/7,629.44 = 3,020.56/x
  3. Step 3: Cross multiply
    5,086.40x = 7,629.44 × 3,020.56
  4. Step 4: Simplify right side
    5,086.40x = 23,045,181.29
  5. Step 5: Solve for x
    x = 23,045,181.29/5,086.40
  6. Step 6: Final answer
    x = 4,530.74

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.