Home / 6,165.38-9,245.33-1,781.80

Finding the Fourth Proportional to 6,165.38, 9,245.33 and 1,781.80

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Solution

The fourth proportional to 6,165.38, 9,245.33 and 1,781.80 is: 2,671.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,165.38 : 9,245.33 = 1,781.80 : x
  2. Step 2: Convert to fraction form
    6,165.38/9,245.33 = 1,781.80/x
  3. Step 3: Cross multiply
    6,165.38x = 9,245.33 × 1,781.80
  4. Step 4: Simplify right side
    6,165.38x = 16,473,273.86
  5. Step 5: Solve for x
    x = 16,473,273.86/6,165.38
  6. Step 6: Final answer
    x = 2,671.90

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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.