Home / 6,789.13-10,181.26-5,331.13

Finding the Fourth Proportional to 6,789.13, 10,181.26 and 5,331.13

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Solution

The fourth proportional to 6,789.13, 10,181.26 and 5,331.13 is: 7,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,789.13 : 10,181.26 = 5,331.13 : x
  2. Step 2: Convert to fraction form
    6,789.13/10,181.26 = 5,331.13/x
  3. Step 3: Cross multiply
    6,789.13x = 10,181.26 × 5,331.13
  4. Step 4: Simplify right side
    6,789.13x = 54,277,620.62
  5. Step 5: Solve for x
    x = 54,277,620.62/6,789.13
  6. Step 6: Final answer
    x = 7,994.78

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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.