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Finding the Fourth Proportional to 8,992.80, 13,456.80 and 6,076.80

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Solution

The fourth proportional to 8,992.80, 13,456.80 and 6,076.80 is: 9,093.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,992.80 : 13,456.80 = 6,076.80 : x
  2. Step 2: Convert to fraction form
    8,992.80/13,456.80 = 6,076.80/x
  3. Step 3: Cross multiply
    8,992.80x = 13,456.80 × 6,076.80
  4. Step 4: Simplify right side
    8,992.80x = 81,774,282.24
  5. Step 5: Solve for x
    x = 81,774,282.24/8,992.80
  6. Step 6: Final answer
    x = 9,093.31

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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.