Home / 5,177.11-7,760.54-2,055.28

Finding the Fourth Proportional to 5,177.11, 7,760.54 and 2,055.28

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Solution

The fourth proportional to 5,177.11, 7,760.54 and 2,055.28 is: 3,080.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,177.11 : 7,760.54 = 2,055.28 : x
  2. Step 2: Convert to fraction form
    5,177.11/7,760.54 = 2,055.28/x
  3. Step 3: Cross multiply
    5,177.11x = 7,760.54 × 2,055.28
  4. Step 4: Simplify right side
    5,177.11x = 15,950,072.37
  5. Step 5: Solve for x
    x = 15,950,072.37/5,177.11
  6. Step 6: Final answer
    x = 3,080.88

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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.