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Finding the Fourth Proportional to 7,762.03, 11,644.41 and 2,834.90

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Solution

The fourth proportional to 7,762.03, 11,644.41 and 2,834.90 is: 4,252.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,762.03 : 11,644.41 = 2,834.90 : x
  2. Step 2: Convert to fraction form
    7,762.03/11,644.41 = 2,834.90/x
  3. Step 3: Cross multiply
    7,762.03x = 11,644.41 × 2,834.90
  4. Step 4: Simplify right side
    7,762.03x = 33,010,718.04
  5. Step 5: Solve for x
    x = 33,010,718.04/7,762.03
  6. Step 6: Final answer
    x = 4,252.85

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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.