Home / 7,106.26-10,661.03-2,176.62

Finding the Fourth Proportional to 7,106.26, 10,661.03 and 2,176.62

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Solution

The fourth proportional to 7,106.26, 10,661.03 and 2,176.62 is: 3,265.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,106.26 : 10,661.03 = 2,176.62 : x
  2. Step 2: Convert to fraction form
    7,106.26/10,661.03 = 2,176.62/x
  3. Step 3: Cross multiply
    7,106.26x = 10,661.03 × 2,176.62
  4. Step 4: Simplify right side
    7,106.26x = 23,205,011.12
  5. Step 5: Solve for x
    x = 23,205,011.12/7,106.26
  6. Step 6: Final answer
    x = 3,265.43

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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.