Home / 3,887.44-5,833.60-3,638.38

Finding the Fourth Proportional to 3,887.44, 5,833.60 and 3,638.38

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Solution

The fourth proportional to 3,887.44, 5,833.60 and 3,638.38 is: 5,459.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,887.44 : 5,833.60 = 3,638.38 : x
  2. Step 2: Convert to fraction form
    3,887.44/5,833.60 = 3,638.38/x
  3. Step 3: Cross multiply
    3,887.44x = 5,833.60 × 3,638.38
  4. Step 4: Simplify right side
    3,887.44x = 21,224,853.57
  5. Step 5: Solve for x
    x = 21,224,853.57/3,887.44
  6. Step 6: Final answer
    x = 5,459.85

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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.