Home / 7,429.43-11,143.85-1,882.97

Finding the Fourth Proportional to 7,429.43, 11,143.85 and 1,882.97

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Solution

The fourth proportional to 7,429.43, 11,143.85 and 1,882.97 is: 2,824.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,429.43 : 11,143.85 = 1,882.97 : x
  2. Step 2: Convert to fraction form
    7,429.43/11,143.85 = 1,882.97/x
  3. Step 3: Cross multiply
    7,429.43x = 11,143.85 × 1,882.97
  4. Step 4: Simplify right side
    7,429.43x = 20,983,470.10
  5. Step 5: Solve for x
    x = 20,983,470.10/7,429.43
  6. Step 6: Final answer
    x = 2,824.37

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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.