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Finding the Fourth Proportional to 6,628.87, 9,941.68 and 2,011.87

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Solution

The fourth proportional to 6,628.87, 9,941.68 and 2,011.87 is: 3,017.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,628.87 : 9,941.68 = 2,011.87 : x
  2. Step 2: Convert to fraction form
    6,628.87/9,941.68 = 2,011.87/x
  3. Step 3: Cross multiply
    6,628.87x = 9,941.68 × 2,011.87
  4. Step 4: Simplify right side
    6,628.87x = 20,001,367.74
  5. Step 5: Solve for x
    x = 20,001,367.74/6,628.87
  6. Step 6: Final answer
    x = 3,017.31

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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.