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Finding the Fourth Proportional to 9,860.87, 14,791.04 and 3,287.18

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Solution

The fourth proportional to 9,860.87, 14,791.04 and 3,287.18 is: 4,930.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,860.87 : 14,791.04 = 3,287.18 : x
  2. Step 2: Convert to fraction form
    9,860.87/14,791.04 = 3,287.18/x
  3. Step 3: Cross multiply
    9,860.87x = 14,791.04 × 3,287.18
  4. Step 4: Simplify right side
    9,860.87x = 48,620,843.74
  5. Step 5: Solve for x
    x = 48,620,843.74/9,860.87
  6. Step 6: Final answer
    x = 4,930.68

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1.5x scale

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.