Home / 5,212.37-7,193.10-2,854.73

Finding the Fourth Proportional to 5,212.37, 7,193.10 and 2,854.73

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Solution

The fourth proportional to 5,212.37, 7,193.10 and 2,854.73 is: 3,939.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,212.37 : 7,193.10 = 2,854.73 : x
  2. Step 2: Convert to fraction form
    5,212.37/7,193.10 = 2,854.73/x
  3. Step 3: Cross multiply
    5,212.37x = 7,193.10 × 2,854.73
  4. Step 4: Simplify right side
    5,212.37x = 20,534,358.36
  5. Step 5: Solve for x
    x = 20,534,358.36/5,212.37
  6. Step 6: Final answer
    x = 3,939.54

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.