Home / 6,618.14-9,132.57-3,634.17

Finding the Fourth Proportional to 6,618.14, 9,132.57 and 3,634.17

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Solution

The fourth proportional to 6,618.14, 9,132.57 and 3,634.17 is: 5,014.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,618.14 : 9,132.57 = 3,634.17 : x
  2. Step 2: Convert to fraction form
    6,618.14/9,132.57 = 3,634.17/x
  3. Step 3: Cross multiply
    6,618.14x = 9,132.57 × 3,634.17
  4. Step 4: Simplify right side
    6,618.14x = 33,189,311.92
  5. Step 5: Solve for x
    x = 33,189,311.92/6,618.14
  6. Step 6: Final answer
    x = 5,014.90

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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.