Home / 7,889.41-11,824.70-3,666.96

Finding the Fourth Proportional to 7,889.41, 11,824.70 and 3,666.96

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Solution

The fourth proportional to 7,889.41, 11,824.70 and 3,666.96 is: 5,496.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,889.41 : 11,824.70 = 3,666.96 : x
  2. Step 2: Convert to fraction form
    7,889.41/11,824.70 = 3,666.96/x
  3. Step 3: Cross multiply
    7,889.41x = 11,824.70 × 3,666.96
  4. Step 4: Simplify right side
    7,889.41x = 43,360,676.77
  5. Step 5: Solve for x
    x = 43,360,676.77/7,889.41
  6. Step 6: Final answer
    x = 5,496.06

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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.