Home / 7,087.80-10,631.70-2,469.72

Finding the Fourth Proportional to 7,087.80, 10,631.70 and 2,469.72

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Solution

The fourth proportional to 7,087.80, 10,631.70 and 2,469.72 is: 3,704.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,087.80 : 10,631.70 = 2,469.72 : x
  2. Step 2: Convert to fraction form
    7,087.80/10,631.70 = 2,469.72/x
  3. Step 3: Cross multiply
    7,087.80x = 10,631.70 × 2,469.72
  4. Step 4: Simplify right side
    7,087.80x = 26,257,322.12
  5. Step 5: Solve for x
    x = 26,257,322.12/7,087.80
  6. Step 6: Final answer
    x = 3,704.58

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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.