Home / 5,781.35-8,672.27-2,618.21

Finding the Fourth Proportional to 5,781.35, 8,672.27 and 2,618.21

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Solution

The fourth proportional to 5,781.35, 8,672.27 and 2,618.21 is: 3,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,781.35 : 8,672.27 = 2,618.21 : x
  2. Step 2: Convert to fraction form
    5,781.35/8,672.27 = 2,618.21/x
  3. Step 3: Cross multiply
    5,781.35x = 8,672.27 × 2,618.21
  4. Step 4: Simplify right side
    5,781.35x = 22,705,767.58
  5. Step 5: Solve for x
    x = 22,705,767.58/5,781.35
  6. Step 6: Final answer
    x = 3,927.42

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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.