Home / 7,107.09-10,662.03-2,177.43

Finding the Fourth Proportional to 7,107.09, 10,662.03 and 2,177.43

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Solution

The fourth proportional to 7,107.09, 10,662.03 and 2,177.43 is: 3,266.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,107.09 : 10,662.03 = 2,177.43 : x
  2. Step 2: Convert to fraction form
    7,107.09/10,662.03 = 2,177.43/x
  3. Step 3: Cross multiply
    7,107.09x = 10,662.03 × 2,177.43
  4. Step 4: Simplify right side
    7,107.09x = 23,215,823.98
  5. Step 5: Solve for x
    x = 23,215,823.98/7,107.09
  6. Step 6: Final answer
    x = 3,266.57

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1.5x scale

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.