Home / 5,740.43-8,609.83-1,790.77

Finding the Fourth Proportional to 5,740.43, 8,609.83 and 1,790.77

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Solution

The fourth proportional to 5,740.43, 8,609.83 and 1,790.77 is: 2,685.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,740.43 : 8,609.83 = 1,790.77 : x
  2. Step 2: Convert to fraction form
    5,740.43/8,609.83 = 1,790.77/x
  3. Step 3: Cross multiply
    5,740.43x = 8,609.83 × 1,790.77
  4. Step 4: Simplify right side
    5,740.43x = 15,418,192.98
  5. Step 5: Solve for x
    x = 15,418,192.98/5,740.43
  6. Step 6: Final answer
    x = 2,685.90

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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.