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Finding the Fourth Proportional to 6,650.07, 9,177.12 and 3,999

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Solution

The fourth proportional to 6,650.07, 9,177.12 and 3,999 is: 5,518.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,650.07 : 9,177.12 = 3,999 : x
  2. Step 2: Convert to fraction form
    6,650.07/9,177.12 = 3,999/x
  3. Step 3: Cross multiply
    6,650.07x = 9,177.12 × 3,999
  4. Step 4: Simplify right side
    6,650.07x = 36,699,302.88
  5. Step 5: Solve for x
    x = 36,699,302.88/6,650.07
  6. Step 6: Final answer
    x = 5,518.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.