Home / 8,288.82-12,435.09-4,395.96

Finding the Fourth Proportional to 8,288.82, 12,435.09 and 4,395.96

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Solution

The fourth proportional to 8,288.82, 12,435.09 and 4,395.96 is: 6,594.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,288.82 : 12,435.09 = 4,395.96 : x
  2. Step 2: Convert to fraction form
    8,288.82/12,435.09 = 4,395.96/x
  3. Step 3: Cross multiply
    8,288.82x = 12,435.09 × 4,395.96
  4. Step 4: Simplify right side
    8,288.82x = 54,664,158.24
  5. Step 5: Solve for x
    x = 54,664,158.24/8,288.82
  6. Step 6: Final answer
    x = 6,594.93

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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.