Home / 5,055.38-7,584.12-2,133.72

Finding the Fourth Proportional to 5,055.38, 7,584.12 and 2,133.72

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Solution

The fourth proportional to 5,055.38, 7,584.12 and 2,133.72 is: 3,201.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.38 : 7,584.12 = 2,133.72 : x
  2. Step 2: Convert to fraction form
    5,055.38/7,584.12 = 2,133.72/x
  3. Step 3: Cross multiply
    5,055.38x = 7,584.12 × 2,133.72
  4. Step 4: Simplify right side
    5,055.38x = 16,182,388.53
  5. Step 5: Solve for x
    x = 16,182,388.53/5,055.38
  6. Step 6: Final answer
    x = 3,201.02

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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.