Home / 6,623.38-9,141.48-3,828.88

Finding the Fourth Proportional to 6,623.38, 9,141.48 and 3,828.88

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Solution

The fourth proportional to 6,623.38, 9,141.48 and 3,828.88 is: 5,284.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,623.38 : 9,141.48 = 3,828.88 : x
  2. Step 2: Convert to fraction form
    6,623.38/9,141.48 = 3,828.88/x
  3. Step 3: Cross multiply
    6,623.38x = 9,141.48 × 3,828.88
  4. Step 4: Simplify right side
    6,623.38x = 35,001,565.09
  5. Step 5: Solve for x
    x = 35,001,565.09/6,623.38
  6. Step 6: Final answer
    x = 5,284.55

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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.