Home / 6,618.38-9,133.34-3,634.20

Finding the Fourth Proportional to 6,618.38, 9,133.34 and 3,634.20

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Solution

The fourth proportional to 6,618.38, 9,133.34 and 3,634.20 is: 5,015.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.38 : 9,133.34 = 3,634.20 : x
  2. Step 2: Convert to fraction form
    6,618.38/9,133.34 = 3,634.20/x
  3. Step 3: Cross multiply
    6,618.38x = 9,133.34 × 3,634.20
  4. Step 4: Simplify right side
    6,618.38x = 33,192,366.06
  5. Step 5: Solve for x
    x = 33,192,366.06/6,618.38
  6. Step 6: Final answer
    x = 5,015.18

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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.