Home / 7,912.42-11,869.26-4,625.85

Finding the Fourth Proportional to 7,912.42, 11,869.26 and 4,625.85

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Solution

The fourth proportional to 7,912.42, 11,869.26 and 4,625.85 is: 6,939.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,912.42 : 11,869.26 = 4,625.85 : x
  2. Step 2: Convert to fraction form
    7,912.42/11,869.26 = 4,625.85/x
  3. Step 3: Cross multiply
    7,912.42x = 11,869.26 × 4,625.85
  4. Step 4: Simplify right side
    7,912.42x = 54,905,416.37
  5. Step 5: Solve for x
    x = 54,905,416.37/7,912.42
  6. Step 6: Final answer
    x = 6,939.14

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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.