Home / 5,189.30-7,771.50-2,845.82

Finding the Fourth Proportional to 5,189.30, 7,771.50 and 2,845.82

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Solution

The fourth proportional to 5,189.30, 7,771.50 and 2,845.82 is: 4,261.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,189.30 : 7,771.50 = 2,845.82 : x
  2. Step 2: Convert to fraction form
    5,189.30/7,771.50 = 2,845.82/x
  3. Step 3: Cross multiply
    5,189.30x = 7,771.50 × 2,845.82
  4. Step 4: Simplify right side
    5,189.30x = 22,116,290.13
  5. Step 5: Solve for x
    x = 22,116,290.13/5,189.30
  6. Step 6: Final answer
    x = 4,261.90

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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.