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Finding the Fourth Proportional to 5,653.37, 8,480.83 and 1,954.61

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Solution

The fourth proportional to 5,653.37, 8,480.83 and 1,954.61 is: 2,932.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,653.37 : 8,480.83 = 1,954.61 : x
  2. Step 2: Convert to fraction form
    5,653.37/8,480.83 = 1,954.61/x
  3. Step 3: Cross multiply
    5,653.37x = 8,480.83 × 1,954.61
  4. Step 4: Simplify right side
    5,653.37x = 16,576,673.95
  5. Step 5: Solve for x
    x = 16,576,673.95/5,653.37
  6. Step 6: Final answer
    x = 2,932.18

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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.