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Finding the Fourth Proportional to 8,803.89, 13,202.54 and 2,879.40

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Solution

The fourth proportional to 8,803.89, 13,202.54 and 2,879.40 is: 4,318.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,803.89 : 13,202.54 = 2,879.40 : x
  2. Step 2: Convert to fraction form
    8,803.89/13,202.54 = 2,879.40/x
  3. Step 3: Cross multiply
    8,803.89x = 13,202.54 × 2,879.40
  4. Step 4: Simplify right side
    8,803.89x = 38,015,381.52
  5. Step 5: Solve for x
    x = 38,015,381.52/8,803.89
  6. Step 6: Final answer
    x = 4,318.02

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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.