Home / 9,087.39-13,631.09-3,896.91

Finding the Fourth Proportional to 9,087.39, 13,631.09 and 3,896.91

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Solution

The fourth proportional to 9,087.39, 13,631.09 and 3,896.91 is: 5,845.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,087.39 : 13,631.09 = 3,896.91 : x
  2. Step 2: Convert to fraction form
    9,087.39/13,631.09 = 3,896.91/x
  3. Step 3: Cross multiply
    9,087.39x = 13,631.09 × 3,896.91
  4. Step 4: Simplify right side
    9,087.39x = 53,119,111.45
  5. Step 5: Solve for x
    x = 53,119,111.45/9,087.39
  6. Step 6: Final answer
    x = 5,845.37

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Similar ratio
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1.5x scale

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.