Home / 5,108.04-7,664.31-2,769.75

Finding the Fourth Proportional to 5,108.04, 7,664.31 and 2,769.75

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Solution

The fourth proportional to 5,108.04, 7,664.31 and 2,769.75 is: 4,155.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,108.04 : 7,664.31 = 2,769.75 : x
  2. Step 2: Convert to fraction form
    5,108.04/7,664.31 = 2,769.75/x
  3. Step 3: Cross multiply
    5,108.04x = 7,664.31 × 2,769.75
  4. Step 4: Simplify right side
    5,108.04x = 21,228,222.62
  5. Step 5: Solve for x
    x = 21,228,222.62/5,108.04
  6. Step 6: Final answer
    x = 4,155.85

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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.