Home / 7,273.82-10,911.74-3,576.20

Finding the Fourth Proportional to 7,273.82, 10,911.74 and 3,576.20

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Solution

The fourth proportional to 7,273.82, 10,911.74 and 3,576.20 is: 5,364.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.82 : 10,911.74 = 3,576.20 : x
  2. Step 2: Convert to fraction form
    7,273.82/10,911.74 = 3,576.20/x
  3. Step 3: Cross multiply
    7,273.82x = 10,911.74 × 3,576.20
  4. Step 4: Simplify right side
    7,273.82x = 39,022,564.59
  5. Step 5: Solve for x
    x = 39,022,564.59/7,273.82
  6. Step 6: Final answer
    x = 5,364.80

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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.