Home / 7,640.36-11,462.25-2,960.42

Finding the Fourth Proportional to 7,640.36, 11,462.25 and 2,960.42

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Solution

The fourth proportional to 7,640.36, 11,462.25 and 2,960.42 is: 4,441.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.36 : 11,462.25 = 2,960.42 : x
  2. Step 2: Convert to fraction form
    7,640.36/11,462.25 = 2,960.42/x
  3. Step 3: Cross multiply
    7,640.36x = 11,462.25 × 2,960.42
  4. Step 4: Simplify right side
    7,640.36x = 33,933,074.15
  5. Step 5: Solve for x
    x = 33,933,074.15/7,640.36
  6. Step 6: Final answer
    x = 4,441.29

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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.