Home / 8,380.04-12,572.79-3,996.93

Finding the Fourth Proportional to 8,380.04, 12,572.79 and 3,996.93

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Solution

The fourth proportional to 8,380.04, 12,572.79 and 3,996.93 is: 5,996.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,380.04 : 12,572.79 = 3,996.93 : x
  2. Step 2: Convert to fraction form
    8,380.04/12,572.79 = 3,996.93/x
  3. Step 3: Cross multiply
    8,380.04x = 12,572.79 × 3,996.93
  4. Step 4: Simplify right side
    8,380.04x = 50,252,545.45
  5. Step 5: Solve for x
    x = 50,252,545.45/8,380.04
  6. Step 6: Final answer
    x = 5,996.69

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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.