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Finding the Fourth Proportional to 6,654.69, 9,981.97 and 2,550.69

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Solution

The fourth proportional to 6,654.69, 9,981.97 and 2,550.69 is: 3,826.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,654.69 : 9,981.97 = 2,550.69 : x
  2. Step 2: Convert to fraction form
    6,654.69/9,981.97 = 2,550.69/x
  3. Step 3: Cross multiply
    6,654.69x = 9,981.97 × 2,550.69
  4. Step 4: Simplify right side
    6,654.69x = 25,460,911.06
  5. Step 5: Solve for x
    x = 25,460,911.06/6,654.69
  6. Step 6: Final answer
    x = 3,826.01

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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.