Home / 8,260.05-12,389.97-2,020.11

Finding the Fourth Proportional to 8,260.05, 12,389.97 and 2,020.11

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Solution

The fourth proportional to 8,260.05, 12,389.97 and 2,020.11 is: 3,030.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,260.05 : 12,389.97 = 2,020.11 : x
  2. Step 2: Convert to fraction form
    8,260.05/12,389.97 = 2,020.11/x
  3. Step 3: Cross multiply
    8,260.05x = 12,389.97 × 2,020.11
  4. Step 4: Simplify right side
    8,260.05x = 25,029,092.20
  5. Step 5: Solve for x
    x = 25,029,092.20/8,260.05
  6. Step 6: Final answer
    x = 3,030.14

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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.