Home / 8,855.40-13,285.32-3,012.06

Finding the Fourth Proportional to 8,855.40, 13,285.32 and 3,012.06

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Solution

The fourth proportional to 8,855.40, 13,285.32 and 3,012.06 is: 4,518.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,855.40 : 13,285.32 = 3,012.06 : x
  2. Step 2: Convert to fraction form
    8,855.40/13,285.32 = 3,012.06/x
  3. Step 3: Cross multiply
    8,855.40x = 13,285.32 × 3,012.06
  4. Step 4: Simplify right side
    8,855.40x = 40,016,180.96
  5. Step 5: Solve for x
    x = 40,016,180.96/8,855.40
  6. Step 6: Final answer
    x = 4,518.85

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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.