Home / 6,661.43-9,992.14-2,278.92

Finding the Fourth Proportional to 6,661.43, 9,992.14 and 2,278.92

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Solution

The fourth proportional to 6,661.43, 9,992.14 and 2,278.92 is: 3,418.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,661.43 : 9,992.14 = 2,278.92 : x
  2. Step 2: Convert to fraction form
    6,661.43/9,992.14 = 2,278.92/x
  3. Step 3: Cross multiply
    6,661.43x = 9,992.14 × 2,278.92
  4. Step 4: Simplify right side
    6,661.43x = 22,771,287.69
  5. Step 5: Solve for x
    x = 22,771,287.69/6,661.43
  6. Step 6: Final answer
    x = 3,418.38

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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.