Home / 7,629.35-11,439.48-2,362.80

Finding the Fourth Proportional to 7,629.35, 11,439.48 and 2,362.80

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Solution

The fourth proportional to 7,629.35, 11,439.48 and 2,362.80 is: 3,542.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,629.35 : 11,439.48 = 2,362.80 : x
  2. Step 2: Convert to fraction form
    7,629.35/11,439.48 = 2,362.80/x
  3. Step 3: Cross multiply
    7,629.35x = 11,439.48 × 2,362.80
  4. Step 4: Simplify right side
    7,629.35x = 27,029,203.34
  5. Step 5: Solve for x
    x = 27,029,203.34/7,629.35
  6. Step 6: Final answer
    x = 3,542.79

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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.