Home / 7,130.70-10,695.24-2,747.79

Finding the Fourth Proportional to 7,130.70, 10,695.24 and 2,747.79

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Solution

The fourth proportional to 7,130.70, 10,695.24 and 2,747.79 is: 4,121.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,130.70 : 10,695.24 = 2,747.79 : x
  2. Step 2: Convert to fraction form
    7,130.70/10,695.24 = 2,747.79/x
  3. Step 3: Cross multiply
    7,130.70x = 10,695.24 × 2,747.79
  4. Step 4: Simplify right side
    7,130.70x = 29,388,273.52
  5. Step 5: Solve for x
    x = 29,388,273.52/7,130.70
  6. Step 6: Final answer
    x = 4,121.37

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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.