Home / 8,912.41-13,381.58-6,579.61

Finding the Fourth Proportional to 8,912.41, 13,381.58 and 6,579.61

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Solution

The fourth proportional to 8,912.41, 13,381.58 and 6,579.61 is: 9,878.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,912.41 : 13,381.58 = 6,579.61 : x
  2. Step 2: Convert to fraction form
    8,912.41/13,381.58 = 6,579.61/x
  3. Step 3: Cross multiply
    8,912.41x = 13,381.58 × 6,579.61
  4. Step 4: Simplify right side
    8,912.41x = 88,045,544.69
  5. Step 5: Solve for x
    x = 88,045,544.69/8,912.41
  6. Step 6: Final answer
    x = 9,878.98

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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.