Home / 5,785.39-8,677.68-1,889.29

Finding the Fourth Proportional to 5,785.39, 8,677.68 and 1,889.29

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Solution

The fourth proportional to 5,785.39, 8,677.68 and 1,889.29 is: 2,833.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,785.39 : 8,677.68 = 1,889.29 : x
  2. Step 2: Convert to fraction form
    5,785.39/8,677.68 = 1,889.29/x
  3. Step 3: Cross multiply
    5,785.39x = 8,677.68 × 1,889.29
  4. Step 4: Simplify right side
    5,785.39x = 16,394,654.05
  5. Step 5: Solve for x
    x = 16,394,654.05/5,785.39
  6. Step 6: Final answer
    x = 2,833.80

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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.