Home / 6,187.40-9,286.90-3,267.80

Finding the Fourth Proportional to 6,187.40, 9,286.90 and 3,267.80

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Solution

The fourth proportional to 6,187.40, 9,286.90 and 3,267.80 is: 4,904.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,187.40 : 9,286.90 = 3,267.80 : x
  2. Step 2: Convert to fraction form
    6,187.40/9,286.90 = 3,267.80/x
  3. Step 3: Cross multiply
    6,187.40x = 9,286.90 × 3,267.80
  4. Step 4: Simplify right side
    6,187.40x = 30,347,731.82
  5. Step 5: Solve for x
    x = 30,347,731.82/6,187.40
  6. Step 6: Final answer
    x = 4,904.76

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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.