Home / 5,813.73-8,715.43-2,115.27

Finding the Fourth Proportional to 5,813.73, 8,715.43 and 2,115.27

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Solution

The fourth proportional to 5,813.73, 8,715.43 and 2,115.27 is: 3,171.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.73 : 8,715.43 = 2,115.27 : x
  2. Step 2: Convert to fraction form
    5,813.73/8,715.43 = 2,115.27/x
  3. Step 3: Cross multiply
    5,813.73x = 8,715.43 × 2,115.27
  4. Step 4: Simplify right side
    5,813.73x = 18,435,490.26
  5. Step 5: Solve for x
    x = 18,435,490.26/5,813.73
  6. Step 6: Final answer
    x = 3,171.03

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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.