Home / 5,055.78-7,581.84-2,134.31

Finding the Fourth Proportional to 5,055.78, 7,581.84 and 2,134.31

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Solution

The fourth proportional to 5,055.78, 7,581.84 and 2,134.31 is: 3,200.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,055.78 : 7,581.84 = 2,134.31 : x
  2. Step 2: Convert to fraction form
    5,055.78/7,581.84 = 2,134.31/x
  3. Step 3: Cross multiply
    5,055.78x = 7,581.84 × 2,134.31
  4. Step 4: Simplify right side
    5,055.78x = 16,181,959.02
  5. Step 5: Solve for x
    x = 16,181,959.02/5,055.78
  6. Step 6: Final answer
    x = 3,200.68

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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.