Home / 4,311.72-5,936.53-3,917.57

Finding the Fourth Proportional to 4,311.72, 5,936.53 and 3,917.57

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Solution

The fourth proportional to 4,311.72, 5,936.53 and 3,917.57 is: 5,393.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,311.72 : 5,936.53 = 3,917.57 : x
  2. Step 2: Convert to fraction form
    4,311.72/5,936.53 = 3,917.57/x
  3. Step 3: Cross multiply
    4,311.72x = 5,936.53 × 3,917.57
  4. Step 4: Simplify right side
    4,311.72x = 23,256,742.15
  5. Step 5: Solve for x
    x = 23,256,742.15/4,311.72
  6. Step 6: Final answer
    x = 5,393.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.