Home / 8,091.24-12,136.86-2,545.08

Finding the Fourth Proportional to 8,091.24, 12,136.86 and 2,545.08

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Solution

The fourth proportional to 8,091.24, 12,136.86 and 2,545.08 is: 3,817.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,091.24 : 12,136.86 = 2,545.08 : x
  2. Step 2: Convert to fraction form
    8,091.24/12,136.86 = 2,545.08/x
  3. Step 3: Cross multiply
    8,091.24x = 12,136.86 × 2,545.08
  4. Step 4: Simplify right side
    8,091.24x = 30,889,279.65
  5. Step 5: Solve for x
    x = 30,889,279.65/8,091.24
  6. Step 6: Final answer
    x = 3,817.62

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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.