Home / 5,461.85-8,192.78-2,545.85

Finding the Fourth Proportional to 5,461.85, 8,192.78 and 2,545.85

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Solution

The fourth proportional to 5,461.85, 8,192.78 and 2,545.85 is: 3,818.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,461.85 : 8,192.78 = 2,545.85 : x
  2. Step 2: Convert to fraction form
    5,461.85/8,192.78 = 2,545.85/x
  3. Step 3: Cross multiply
    5,461.85x = 8,192.78 × 2,545.85
  4. Step 4: Simplify right side
    5,461.85x = 20,857,576.23
  5. Step 5: Solve for x
    x = 20,857,576.23/5,461.85
  6. Step 6: Final answer
    x = 3,818.78

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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.