Home / 6,669.20-9,202.80-3,684.88

Finding the Fourth Proportional to 6,669.20, 9,202.80 and 3,684.88

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Solution

The fourth proportional to 6,669.20, 9,202.80 and 3,684.88 is: 5,084.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,669.20 : 9,202.80 = 3,684.88 : x
  2. Step 2: Convert to fraction form
    6,669.20/9,202.80 = 3,684.88/x
  3. Step 3: Cross multiply
    6,669.20x = 9,202.80 × 3,684.88
  4. Step 4: Simplify right side
    6,669.20x = 33,911,213.66
  5. Step 5: Solve for x
    x = 33,911,213.66/6,669.20
  6. Step 6: Final answer
    x = 5,084.75

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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.