Home / 9,889.38-14,839.91-3,653.80

Finding the Fourth Proportional to 9,889.38, 14,839.91 and 3,653.80

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Solution

The fourth proportional to 9,889.38, 14,839.91 and 3,653.80 is: 5,482.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,889.38 : 14,839.91 = 3,653.80 : x
  2. Step 2: Convert to fraction form
    9,889.38/14,839.91 = 3,653.80/x
  3. Step 3: Cross multiply
    9,889.38x = 14,839.91 × 3,653.80
  4. Step 4: Simplify right side
    9,889.38x = 54,222,021.49
  5. Step 5: Solve for x
    x = 54,222,021.49/9,889.38
  6. Step 6: Final answer
    x = 5,482.85

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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.