Home / 5,617.22-8,425.83-1,917.59

Finding the Fourth Proportional to 5,617.22, 8,425.83 and 1,917.59

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Solution

The fourth proportional to 5,617.22, 8,425.83 and 1,917.59 is: 2,876.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,617.22 : 8,425.83 = 1,917.59 : x
  2. Step 2: Convert to fraction form
    5,617.22/8,425.83 = 1,917.59/x
  3. Step 3: Cross multiply
    5,617.22x = 8,425.83 × 1,917.59
  4. Step 4: Simplify right side
    5,617.22x = 16,157,287.35
  5. Step 5: Solve for x
    x = 16,157,287.35/5,617.22
  6. Step 6: Final answer
    x = 2,876.39

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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.