Home / 8,862.35-13,285.62-3,311.42

Finding the Fourth Proportional to 8,862.35, 13,285.62 and 3,311.42

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Solution

The fourth proportional to 8,862.35, 13,285.62 and 3,311.42 is: 4,964.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,862.35 : 13,285.62 = 3,311.42 : x
  2. Step 2: Convert to fraction form
    8,862.35/13,285.62 = 3,311.42/x
  3. Step 3: Cross multiply
    8,862.35x = 13,285.62 × 3,311.42
  4. Step 4: Simplify right side
    8,862.35x = 43,994,201.35
  5. Step 5: Solve for x
    x = 43,994,201.35/8,862.35
  6. Step 6: Final answer
    x = 4,964.17

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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.