Home / 5,781.67-8,670.98-2,083.21

Finding the Fourth Proportional to 5,781.67, 8,670.98 and 2,083.21

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Solution

The fourth proportional to 5,781.67, 8,670.98 and 2,083.21 is: 3,124.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.67 : 8,670.98 = 2,083.21 : x
  2. Step 2: Convert to fraction form
    5,781.67/8,670.98 = 2,083.21/x
  3. Step 3: Cross multiply
    5,781.67x = 8,670.98 × 2,083.21
  4. Step 4: Simplify right side
    5,781.67x = 18,063,472.25
  5. Step 5: Solve for x
    x = 18,063,472.25/5,781.67
  6. Step 6: Final answer
    x = 3,124.27

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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.