Home / 9,885.20-14,828.34-3,310.79

Finding the Fourth Proportional to 9,885.20, 14,828.34 and 3,310.79

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Solution

The fourth proportional to 9,885.20, 14,828.34 and 3,310.79 is: 4,966.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,885.20 : 14,828.34 = 3,310.79 : x
  2. Step 2: Convert to fraction form
    9,885.20/14,828.34 = 3,310.79/x
  3. Step 3: Cross multiply
    9,885.20x = 14,828.34 × 3,310.79
  4. Step 4: Simplify right side
    9,885.20x = 49,093,519.79
  5. Step 5: Solve for x
    x = 49,093,519.79/9,885.20
  6. Step 6: Final answer
    x = 4,966.37

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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.