Home / 7,273.24-10,911.30-3,113.20

Finding the Fourth Proportional to 7,273.24, 10,911.30 and 3,113.20

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Solution

The fourth proportional to 7,273.24, 10,911.30 and 3,113.20 is: 4,670.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,273.24 : 10,911.30 = 3,113.20 : x
  2. Step 2: Convert to fraction form
    7,273.24/10,911.30 = 3,113.20/x
  3. Step 3: Cross multiply
    7,273.24x = 10,911.30 × 3,113.20
  4. Step 4: Simplify right side
    7,273.24x = 33,969,059.16
  5. Step 5: Solve for x
    x = 33,969,059.16/7,273.24
  6. Step 6: Final answer
    x = 4,670.42

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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.