Home / 7,628.83-11,448.26-2,698.29

Finding the Fourth Proportional to 7,628.83, 11,448.26 and 2,698.29

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Solution

The fourth proportional to 7,628.83, 11,448.26 and 2,698.29 is: 4,049.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,628.83 : 11,448.26 = 2,698.29 : x
  2. Step 2: Convert to fraction form
    7,628.83/11,448.26 = 2,698.29/x
  3. Step 3: Cross multiply
    7,628.83x = 11,448.26 × 2,698.29
  4. Step 4: Simplify right side
    7,628.83x = 30,890,697.49
  5. Step 5: Solve for x
    x = 30,890,697.49/7,628.83
  6. Step 6: Final answer
    x = 4,049.20

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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.