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Finding the Fourth Proportional to 8,177.80, 11,285.02 and 4,640.93

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Solution

The fourth proportional to 8,177.80, 11,285.02 and 4,640.93 is: 6,404.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,177.80 : 11,285.02 = 4,640.93 : x
  2. Step 2: Convert to fraction form
    8,177.80/11,285.02 = 4,640.93/x
  3. Step 3: Cross multiply
    8,177.80x = 11,285.02 × 4,640.93
  4. Step 4: Simplify right side
    8,177.80x = 52,372,987.87
  5. Step 5: Solve for x
    x = 52,372,987.87/8,177.80
  6. Step 6: Final answer
    x = 6,404.29

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