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Finding the Fourth Proportional to 8,332.18, 12,504.41 and 3,949.62

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Solution

The fourth proportional to 8,332.18, 12,504.41 and 3,949.62 is: 5,927.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,332.18 : 12,504.41 = 3,949.62 : x
  2. Step 2: Convert to fraction form
    8,332.18/12,504.41 = 3,949.62/x
  3. Step 3: Cross multiply
    8,332.18x = 12,504.41 × 3,949.62
  4. Step 4: Simplify right side
    8,332.18x = 49,387,667.82
  5. Step 5: Solve for x
    x = 49,387,667.82/8,332.18
  6. Step 6: Final answer
    x = 5,927.34

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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.