Home / 4,412.88-6,644.96-3,188.64

Finding the Fourth Proportional to 4,412.88, 6,644.96 and 3,188.64

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Solution

The fourth proportional to 4,412.88, 6,644.96 and 3,188.64 is: 4,801.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,412.88 : 6,644.96 = 3,188.64 : x
  2. Step 2: Convert to fraction form
    4,412.88/6,644.96 = 3,188.64/x
  3. Step 3: Cross multiply
    4,412.88x = 6,644.96 × 3,188.64
  4. Step 4: Simplify right side
    4,412.88x = 21,188,385.25
  5. Step 5: Solve for x
    x = 21,188,385.25/4,412.88
  6. Step 6: Final answer
    x = 4,801.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.