Home / 7,629.08-11,448.75-2,698.70

Finding the Fourth Proportional to 7,629.08, 11,448.75 and 2,698.70

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Solution

The fourth proportional to 7,629.08, 11,448.75 and 2,698.70 is: 4,049.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.08 : 11,448.75 = 2,698.70 : x
  2. Step 2: Convert to fraction form
    7,629.08/11,448.75 = 2,698.70/x
  3. Step 3: Cross multiply
    7,629.08x = 11,448.75 × 2,698.70
  4. Step 4: Simplify right side
    7,629.08x = 30,896,741.63
  5. Step 5: Solve for x
    x = 30,896,741.63/7,629.08
  6. Step 6: Final answer
    x = 4,049.86

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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.