Home / 7,380.81-11,073.09-2,451.83

Finding the Fourth Proportional to 7,380.81, 11,073.09 and 2,451.83

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Solution

The fourth proportional to 7,380.81, 11,073.09 and 2,451.83 is: 3,678.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,380.81 : 11,073.09 = 2,451.83 : x
  2. Step 2: Convert to fraction form
    7,380.81/11,073.09 = 2,451.83/x
  3. Step 3: Cross multiply
    7,380.81x = 11,073.09 × 2,451.83
  4. Step 4: Simplify right side
    7,380.81x = 27,149,278.89
  5. Step 5: Solve for x
    x = 27,149,278.89/7,380.81
  6. Step 6: Final answer
    x = 3,678.36

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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.