Home / 7,729.32-11,593.99-1,885.90

Finding the Fourth Proportional to 7,729.32, 11,593.99 and 1,885.90

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Solution

The fourth proportional to 7,729.32, 11,593.99 and 1,885.90 is: 2,828.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,729.32 : 11,593.99 = 1,885.90 : x
  2. Step 2: Convert to fraction form
    7,729.32/11,593.99 = 1,885.90/x
  3. Step 3: Cross multiply
    7,729.32x = 11,593.99 × 1,885.90
  4. Step 4: Simplify right side
    7,729.32x = 21,865,105.74
  5. Step 5: Solve for x
    x = 21,865,105.74/7,729.32
  6. Step 6: Final answer
    x = 2,828.85

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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.