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Finding the Fourth Proportional to 6,650.67, 9,976.05 and 3,177.39

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Solution

The fourth proportional to 6,650.67, 9,976.05 and 3,177.39 is: 4,766.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.67 : 9,976.05 = 3,177.39 : x
  2. Step 2: Convert to fraction form
    6,650.67/9,976.05 = 3,177.39/x
  3. Step 3: Cross multiply
    6,650.67x = 9,976.05 × 3,177.39
  4. Step 4: Simplify right side
    6,650.67x = 31,697,801.51
  5. Step 5: Solve for x
    x = 31,697,801.51/6,650.67
  6. Step 6: Final answer
    x = 4,766.11

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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.