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Finding the Fourth Proportional to 5,908.78, 8,863.98 and 2,621.80

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Solution

The fourth proportional to 5,908.78, 8,863.98 and 2,621.80 is: 3,933.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,908.78 : 8,863.98 = 2,621.80 : x
  2. Step 2: Convert to fraction form
    5,908.78/8,863.98 = 2,621.80/x
  3. Step 3: Cross multiply
    5,908.78x = 8,863.98 × 2,621.80
  4. Step 4: Simplify right side
    5,908.78x = 23,239,582.76
  5. Step 5: Solve for x
    x = 23,239,582.76/5,908.78
  6. Step 6: Final answer
    x = 3,933.06

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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.