Home / 6,669.20-10,010.26-3,208.88

Finding the Fourth Proportional to 6,669.20, 10,010.26 and 3,208.88

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Solution

The fourth proportional to 6,669.20, 10,010.26 and 3,208.88 is: 4,816.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.20 : 10,010.26 = 3,208.88 : x
  2. Step 2: Convert to fraction form
    6,669.20/10,010.26 = 3,208.88/x
  3. Step 3: Cross multiply
    6,669.20x = 10,010.26 × 3,208.88
  4. Step 4: Simplify right side
    6,669.20x = 32,121,723.11
  5. Step 5: Solve for x
    x = 32,121,723.11/6,669.20
  6. Step 6: Final answer
    x = 4,816.43

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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.