Home / 8,020.62-12,030.90-2,177.21

Finding the Fourth Proportional to 8,020.62, 12,030.90 and 2,177.21

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Solution

The fourth proportional to 8,020.62, 12,030.90 and 2,177.21 is: 3,265.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,020.62 : 12,030.90 = 2,177.21 : x
  2. Step 2: Convert to fraction form
    8,020.62/12,030.90 = 2,177.21/x
  3. Step 3: Cross multiply
    8,020.62x = 12,030.90 × 2,177.21
  4. Step 4: Simplify right side
    8,020.62x = 26,193,817.70
  5. Step 5: Solve for x
    x = 26,193,817.70/8,020.62
  6. Step 6: Final answer
    x = 3,265.81

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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.