Home / 6,618.20-9,133.25-3,634.16

Finding the Fourth Proportional to 6,618.20, 9,133.25 and 3,634.16

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Solution

The fourth proportional to 6,618.20, 9,133.25 and 3,634.16 is: 5,015.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.20 : 9,133.25 = 3,634.16 : x
  2. Step 2: Convert to fraction form
    6,618.20/9,133.25 = 3,634.16/x
  3. Step 3: Cross multiply
    6,618.20x = 9,133.25 × 3,634.16
  4. Step 4: Simplify right side
    6,618.20x = 33,191,627.98
  5. Step 5: Solve for x
    x = 33,191,627.98/6,618.20
  6. Step 6: Final answer
    x = 5,015.21

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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.