Home / 7,132.97-10,698.36-2,749.79

Finding the Fourth Proportional to 7,132.97, 10,698.36 and 2,749.79

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Solution

The fourth proportional to 7,132.97, 10,698.36 and 2,749.79 is: 4,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,132.97 : 10,698.36 = 2,749.79 : x
  2. Step 2: Convert to fraction form
    7,132.97/10,698.36 = 2,749.79/x
  3. Step 3: Cross multiply
    7,132.97x = 10,698.36 × 2,749.79
  4. Step 4: Simplify right side
    7,132.97x = 29,418,189.85
  5. Step 5: Solve for x
    x = 29,418,189.85/7,132.97
  6. Step 6: Final answer
    x = 4,124.26

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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.