Home / 7,101.09-10,653.03-2,171.43

Finding the Fourth Proportional to 7,101.09, 10,653.03 and 2,171.43

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Solution

The fourth proportional to 7,101.09, 10,653.03 and 2,171.43 is: 3,257.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,101.09 : 10,653.03 = 2,171.43 : x
  2. Step 2: Convert to fraction form
    7,101.09/10,653.03 = 2,171.43/x
  3. Step 3: Cross multiply
    7,101.09x = 10,653.03 × 2,171.43
  4. Step 4: Simplify right side
    7,101.09x = 23,132,308.93
  5. Step 5: Solve for x
    x = 23,132,308.93/7,101.09
  6. Step 6: Final answer
    x = 3,257.57

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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.