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Finding the Fourth Proportional to 8,773.92, 12,108.79 and 4,996.26

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Solution

The fourth proportional to 8,773.92, 12,108.79 and 4,996.26 is: 6,895.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,773.92 : 12,108.79 = 4,996.26 : x
  2. Step 2: Convert to fraction form
    8,773.92/12,108.79 = 4,996.26/x
  3. Step 3: Cross multiply
    8,773.92x = 12,108.79 × 4,996.26
  4. Step 4: Simplify right side
    8,773.92x = 60,498,663.13
  5. Step 5: Solve for x
    x = 60,498,663.13/8,773.92
  6. Step 6: Final answer
    x = 6,895.28

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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.