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Finding the Fourth Proportional to 6,992.77, 10,489.10 and 3,292.98

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Solution

The fourth proportional to 6,992.77, 10,489.10 and 3,292.98 is: 4,939.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,992.77 : 10,489.10 = 3,292.98 : x
  2. Step 2: Convert to fraction form
    6,992.77/10,489.10 = 3,292.98/x
  3. Step 3: Cross multiply
    6,992.77x = 10,489.10 × 3,292.98
  4. Step 4: Simplify right side
    6,992.77x = 34,540,396.52
  5. Step 5: Solve for x
    x = 34,540,396.52/6,992.77
  6. Step 6: Final answer
    x = 4,939.44

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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.