Home / 8,020.81-12,026.35-2,753.83

Finding the Fourth Proportional to 8,020.81, 12,026.35 and 2,753.83

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Solution

The fourth proportional to 8,020.81, 12,026.35 and 2,753.83 is: 4,129.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.81 : 12,026.35 = 2,753.83 : x
  2. Step 2: Convert to fraction form
    8,020.81/12,026.35 = 2,753.83/x
  3. Step 3: Cross multiply
    8,020.81x = 12,026.35 × 2,753.83
  4. Step 4: Simplify right side
    8,020.81x = 33,118,523.42
  5. Step 5: Solve for x
    x = 33,118,523.42/8,020.81
  6. Step 6: Final answer
    x = 4,129.07

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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.