Home / 5,813.73-8,720.53-3,960.25

Finding the Fourth Proportional to 5,813.73, 8,720.53 and 3,960.25

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Solution

The fourth proportional to 5,813.73, 8,720.53 and 3,960.25 is: 5,940.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,813.73 : 8,720.53 = 3,960.25 : x
  2. Step 2: Convert to fraction form
    5,813.73/8,720.53 = 3,960.25/x
  3. Step 3: Cross multiply
    5,813.73x = 8,720.53 × 3,960.25
  4. Step 4: Simplify right side
    5,813.73x = 34,535,447.23
  5. Step 5: Solve for x
    x = 34,535,447.23/5,813.73
  6. Step 6: Final answer
    x = 5,940.33

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Half scale
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Double scale
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Similar ratio
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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.