Home / 5,555.25-7,666.25-3,197.34

Finding the Fourth Proportional to 5,555.25, 7,666.25 and 3,197.34

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Solution

The fourth proportional to 5,555.25, 7,666.25 and 3,197.34 is: 4,412.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,555.25 : 7,666.25 = 3,197.34 : x
  2. Step 2: Convert to fraction form
    5,555.25/7,666.25 = 3,197.34/x
  3. Step 3: Cross multiply
    5,555.25x = 7,666.25 × 3,197.34
  4. Step 4: Simplify right side
    5,555.25x = 24,511,591.79
  5. Step 5: Solve for x
    x = 24,511,591.79/5,555.25
  6. Step 6: Final answer
    x = 4,412.33

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Half scale
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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.