Home / 5,180.40-7,147.62-3,504.96

Finding the Fourth Proportional to 5,180.40, 7,147.62 and 3,504.96

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Solution

The fourth proportional to 5,180.40, 7,147.62 and 3,504.96 is: 4,835.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,180.40 : 7,147.62 = 3,504.96 : x
  2. Step 2: Convert to fraction form
    5,180.40/7,147.62 = 3,504.96/x
  3. Step 3: Cross multiply
    5,180.40x = 7,147.62 × 3,504.96
  4. Step 4: Simplify right side
    5,180.40x = 25,052,122.20
  5. Step 5: Solve for x
    x = 25,052,122.20/5,180.40
  6. Step 6: Final answer
    x = 4,835.94

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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.