Home / 6,660.33-9,191.53-3,828.59

Finding the Fourth Proportional to 6,660.33, 9,191.53 and 3,828.59

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Solution

The fourth proportional to 6,660.33, 9,191.53 and 3,828.59 is: 5,283.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,660.33 : 9,191.53 = 3,828.59 : x
  2. Step 2: Convert to fraction form
    6,660.33/9,191.53 = 3,828.59/x
  3. Step 3: Cross multiply
    6,660.33x = 9,191.53 × 3,828.59
  4. Step 4: Simplify right side
    6,660.33x = 35,190,597.45
  5. Step 5: Solve for x
    x = 35,190,597.45/6,660.33
  6. Step 6: Final answer
    x = 5,283.61

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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.