Home / 4,991.60-7,477.82-2,793.66

Finding the Fourth Proportional to 4,991.60, 7,477.82 and 2,793.66

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Solution

The fourth proportional to 4,991.60, 7,477.82 and 2,793.66 is: 4,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,991.60 : 7,477.82 = 2,793.66 : x
  2. Step 2: Convert to fraction form
    4,991.60/7,477.82 = 2,793.66/x
  3. Step 3: Cross multiply
    4,991.60x = 7,477.82 × 2,793.66
  4. Step 4: Simplify right side
    4,991.60x = 20,890,472.65
  5. Step 5: Solve for x
    x = 20,890,472.65/4,991.60
  6. Step 6: Final answer
    x = 4,185.13

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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.