Home / 6,625.21-9,144.53-4,105.88

Finding the Fourth Proportional to 6,625.21, 9,144.53 and 4,105.88

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Solution

The fourth proportional to 6,625.21, 9,144.53 and 4,105.88 is: 5,667.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,625.21 : 9,144.53 = 4,105.88 : x
  2. Step 2: Convert to fraction form
    6,625.21/9,144.53 = 4,105.88/x
  3. Step 3: Cross multiply
    6,625.21x = 9,144.53 × 4,105.88
  4. Step 4: Simplify right side
    6,625.21x = 37,546,342.84
  5. Step 5: Solve for x
    x = 37,546,342.84/6,625.21
  6. Step 6: Final answer
    x = 5,667.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.