Home / 7,628.69-11,443.12-2,694.88

Finding the Fourth Proportional to 7,628.69, 11,443.12 and 2,694.88

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Solution

The fourth proportional to 7,628.69, 11,443.12 and 2,694.88 is: 4,042.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.69 : 11,443.12 = 2,694.88 : x
  2. Step 2: Convert to fraction form
    7,628.69/11,443.12 = 2,694.88/x
  3. Step 3: Cross multiply
    7,628.69x = 11,443.12 × 2,694.88
  4. Step 4: Simplify right side
    7,628.69x = 30,837,825.77
  5. Step 5: Solve for x
    x = 30,837,825.77/7,628.69
  6. Step 6: Final answer
    x = 4,042.35

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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.