Home / 5,181.94-7,769.67-2,406.88

Finding the Fourth Proportional to 5,181.94, 7,769.67 and 2,406.88

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Solution

The fourth proportional to 5,181.94, 7,769.67 and 2,406.88 is: 3,608.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,181.94 : 7,769.67 = 2,406.88 : x
  2. Step 2: Convert to fraction form
    5,181.94/7,769.67 = 2,406.88/x
  3. Step 3: Cross multiply
    5,181.94x = 7,769.67 × 2,406.88
  4. Step 4: Simplify right side
    5,181.94x = 18,700,663.33
  5. Step 5: Solve for x
    x = 18,700,663.33/5,181.94
  6. Step 6: Final answer
    x = 3,608.82

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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.