Home / 5,142.06-7,711.56-2,675.54

Finding the Fourth Proportional to 5,142.06, 7,711.56 and 2,675.54

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Solution

The fourth proportional to 5,142.06, 7,711.56 and 2,675.54 is: 4,012.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,142.06 : 7,711.56 = 2,675.54 : x
  2. Step 2: Convert to fraction form
    5,142.06/7,711.56 = 2,675.54/x
  3. Step 3: Cross multiply
    5,142.06x = 7,711.56 × 2,675.54
  4. Step 4: Simplify right side
    5,142.06x = 20,632,548.68
  5. Step 5: Solve for x
    x = 20,632,548.68/5,142.06
  6. Step 6: Final answer
    x = 4,012.51

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1.5x scale

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.