Home / 5,456.65-8,180.58-1,757.89

Finding the Fourth Proportional to 5,456.65, 8,180.58 and 1,757.89

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Solution

The fourth proportional to 5,456.65, 8,180.58 and 1,757.89 is: 2,635.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,456.65 : 8,180.58 = 1,757.89 : x
  2. Step 2: Convert to fraction form
    5,456.65/8,180.58 = 1,757.89/x
  3. Step 3: Cross multiply
    5,456.65x = 8,180.58 × 1,757.89
  4. Step 4: Simplify right side
    5,456.65x = 14,380,559.78
  5. Step 5: Solve for x
    x = 14,380,559.78/5,456.65
  6. Step 6: Final answer
    x = 2,635.42

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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.