Home / 7,640.93-11,453.54-3,201.21

Finding the Fourth Proportional to 7,640.93, 11,453.54 and 3,201.21

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Solution

The fourth proportional to 7,640.93, 11,453.54 and 3,201.21 is: 4,798.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,640.93 : 11,453.54 = 3,201.21 : x
  2. Step 2: Convert to fraction form
    7,640.93/11,453.54 = 3,201.21/x
  3. Step 3: Cross multiply
    7,640.93x = 11,453.54 × 3,201.21
  4. Step 4: Simplify right side
    7,640.93x = 36,665,170.78
  5. Step 5: Solve for x
    x = 36,665,170.78/7,640.93
  6. Step 6: Final answer
    x = 4,798.52

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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.