Home / 6,086.80-9,130.20-2,190.70

Finding the Fourth Proportional to 6,086.80, 9,130.20 and 2,190.70

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Solution

The fourth proportional to 6,086.80, 9,130.20 and 2,190.70 is: 3,286.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,086.80 : 9,130.20 = 2,190.70 : x
  2. Step 2: Convert to fraction form
    6,086.80/9,130.20 = 2,190.70/x
  3. Step 3: Cross multiply
    6,086.80x = 9,130.20 × 2,190.70
  4. Step 4: Simplify right side
    6,086.80x = 20,001,529.14
  5. Step 5: Solve for x
    x = 20,001,529.14/6,086.80
  6. Step 6: Final answer
    x = 3,286.05

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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.