Home / 6,637.38-9,160.79-3,842.88

Finding the Fourth Proportional to 6,637.38, 9,160.79 and 3,842.88

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Solution

The fourth proportional to 6,637.38, 9,160.79 and 3,842.88 is: 5,303.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,637.38 : 9,160.79 = 3,842.88 : x
  2. Step 2: Convert to fraction form
    6,637.38/9,160.79 = 3,842.88/x
  3. Step 3: Cross multiply
    6,637.38x = 9,160.79 × 3,842.88
  4. Step 4: Simplify right side
    6,637.38x = 35,203,816.68
  5. Step 5: Solve for x
    x = 35,203,816.68/6,637.38
  6. Step 6: Final answer
    x = 5,303.87

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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.