Home / 5,055.30-7,580.12-3,882.38

Finding the Fourth Proportional to 5,055.30, 7,580.12 and 3,882.38

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Solution

The fourth proportional to 5,055.30, 7,580.12 and 3,882.38 is: 5,821.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.30 : 7,580.12 = 3,882.38 : x
  2. Step 2: Convert to fraction form
    5,055.30/7,580.12 = 3,882.38/x
  3. Step 3: Cross multiply
    5,055.30x = 7,580.12 × 3,882.38
  4. Step 4: Simplify right side
    5,055.30x = 29,428,848.97
  5. Step 5: Solve for x
    x = 29,428,848.97/5,055.30
  6. Step 6: Final answer
    x = 5,821.39

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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.