Home / 6,189.94-9,286.40-1,807.30

Finding the Fourth Proportional to 6,189.94, 9,286.40 and 1,807.30

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Solution

The fourth proportional to 6,189.94, 9,286.40 and 1,807.30 is: 2,711.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,189.94 : 9,286.40 = 1,807.30 : x
  2. Step 2: Convert to fraction form
    6,189.94/9,286.40 = 1,807.30/x
  3. Step 3: Cross multiply
    6,189.94x = 9,286.40 × 1,807.30
  4. Step 4: Simplify right side
    6,189.94x = 16,783,310.72
  5. Step 5: Solve for x
    x = 16,783,310.72/6,189.94
  6. Step 6: Final answer
    x = 2,711.39

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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.