Home / 10,780.43-16,171.45-2,882.77

Finding the Fourth Proportional to 10,780.43, 16,171.45 and 2,882.77

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Solution

The fourth proportional to 10,780.43, 16,171.45 and 2,882.77 is: 4,324.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,780.43 : 16,171.45 = 2,882.77 : x
  2. Step 2: Convert to fraction form
    10,780.43/16,171.45 = 2,882.77/x
  3. Step 3: Cross multiply
    10,780.43x = 16,171.45 × 2,882.77
  4. Step 4: Simplify right side
    10,780.43x = 46,618,570.92
  5. Step 5: Solve for x
    x = 46,618,570.92/10,780.43
  6. Step 6: Final answer
    x = 4,324.37

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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.