Home / 6,618.75-9,133.88-3,634.59

Finding the Fourth Proportional to 6,618.75, 9,133.88 and 3,634.59

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Solution

The fourth proportional to 6,618.75, 9,133.88 and 3,634.59 is: 5,015.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.75 : 9,133.88 = 3,634.59 : x
  2. Step 2: Convert to fraction form
    6,618.75/9,133.88 = 3,634.59/x
  3. Step 3: Cross multiply
    6,618.75x = 9,133.88 × 3,634.59
  4. Step 4: Simplify right side
    6,618.75x = 33,197,894.05
  5. Step 5: Solve for x
    x = 33,197,894.05/6,618.75
  6. Step 6: Final answer
    x = 5,015.74

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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.