Home / 4,086.72-6,120-2,350.08

Finding the Fourth Proportional to 4,086.72, 6,120 and 2,350.08

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Solution

The fourth proportional to 4,086.72, 6,120 and 2,350.08 is: 3,519.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.72 : 6,120 = 2,350.08 : x
  2. Step 2: Convert to fraction form
    4,086.72/6,120 = 2,350.08/x
  3. Step 3: Cross multiply
    4,086.72x = 6,120 × 2,350.08
  4. Step 4: Simplify right side
    4,086.72x = 14,382,489.60
  5. Step 5: Solve for x
    x = 14,382,489.60/4,086.72
  6. Step 6: Final answer
    x = 3,519.32

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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.