Home / 5,221.50-7,834.00-1,934.85

Finding the Fourth Proportional to 5,221.50, 7,834.00 and 1,934.85

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Solution

The fourth proportional to 5,221.50, 7,834.00 and 1,934.85 is: 2,902.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,221.50 : 7,834.00 = 1,934.85 : x
  2. Step 2: Convert to fraction form
    5,221.50/7,834.00 = 1,934.85/x
  3. Step 3: Cross multiply
    5,221.50x = 7,834.00 × 1,934.85
  4. Step 4: Simplify right side
    5,221.50x = 15,157,629.65
  5. Step 5: Solve for x
    x = 15,157,629.65/5,221.50
  6. Step 6: Final answer
    x = 2,902.93

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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.