Home / 7,101.24-10,645.74-2,721.75

Finding the Fourth Proportional to 7,101.24, 10,645.74 and 2,721.75

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Solution

The fourth proportional to 7,101.24, 10,645.74 and 2,721.75 is: 4,080.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.24 : 10,645.74 = 2,721.75 : x
  2. Step 2: Convert to fraction form
    7,101.24/10,645.74 = 2,721.75/x
  3. Step 3: Cross multiply
    7,101.24x = 10,645.74 × 2,721.75
  4. Step 4: Simplify right side
    7,101.24x = 28,975,042.85
  5. Step 5: Solve for x
    x = 28,975,042.85/7,101.24
  6. Step 6: Final answer
    x = 4,080.28

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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.