Home / 8,020.50-12,031.97-2,826.38

Finding the Fourth Proportional to 8,020.50, 12,031.97 and 2,826.38

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Solution

The fourth proportional to 8,020.50, 12,031.97 and 2,826.38 is: 4,239.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.50 : 12,031.97 = 2,826.38 : x
  2. Step 2: Convert to fraction form
    8,020.50/12,031.97 = 2,826.38/x
  3. Step 3: Cross multiply
    8,020.50x = 12,031.97 × 2,826.38
  4. Step 4: Simplify right side
    8,020.50x = 34,006,845.08
  5. Step 5: Solve for x
    x = 34,006,845.08/8,020.50
  6. Step 6: Final answer
    x = 4,239.99

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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.