Home / 6,477.03-9,716.46-3,190.15

Finding the Fourth Proportional to 6,477.03, 9,716.46 and 3,190.15

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Solution

The fourth proportional to 6,477.03, 9,716.46 and 3,190.15 is: 4,785.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,477.03 : 9,716.46 = 3,190.15 : x
  2. Step 2: Convert to fraction form
    6,477.03/9,716.46 = 3,190.15/x
  3. Step 3: Cross multiply
    6,477.03x = 9,716.46 × 3,190.15
  4. Step 4: Simplify right side
    6,477.03x = 30,996,965.05
  5. Step 5: Solve for x
    x = 30,996,965.05/6,477.03
  6. Step 6: Final answer
    x = 4,785.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.