Home / 4,086.55-6,133.67-2,917.72

Finding the Fourth Proportional to 4,086.55, 6,133.67 and 2,917.72

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Solution

The fourth proportional to 4,086.55, 6,133.67 and 2,917.72 is: 4,379.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,086.55 : 6,133.67 = 2,917.72 : x
  2. Step 2: Convert to fraction form
    4,086.55/6,133.67 = 2,917.72/x
  3. Step 3: Cross multiply
    4,086.55x = 6,133.67 × 2,917.72
  4. Step 4: Simplify right side
    4,086.55x = 17,896,286.38
  5. Step 5: Solve for x
    x = 17,896,286.38/4,086.55
  6. Step 6: Final answer
    x = 4,379.32

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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.