Home / 7,112.38-10,668.07-2,669.13

Finding the Fourth Proportional to 7,112.38, 10,668.07 and 2,669.13

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Solution

The fourth proportional to 7,112.38, 10,668.07 and 2,669.13 is: 4,003.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,112.38 : 10,668.07 = 2,669.13 : x
  2. Step 2: Convert to fraction form
    7,112.38/10,668.07 = 2,669.13/x
  3. Step 3: Cross multiply
    7,112.38x = 10,668.07 × 2,669.13
  4. Step 4: Simplify right side
    7,112.38x = 28,474,465.68
  5. Step 5: Solve for x
    x = 28,474,465.68/7,112.38
  6. Step 6: Final answer
    x = 4,003.51

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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.