Home / 8,383.37-12,575.96-3,117.76

Finding the Fourth Proportional to 8,383.37, 12,575.96 and 3,117.76

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Solution

The fourth proportional to 8,383.37, 12,575.96 and 3,117.76 is: 4,676.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,383.37 : 12,575.96 = 3,117.76 : x
  2. Step 2: Convert to fraction form
    8,383.37/12,575.96 = 3,117.76/x
  3. Step 3: Cross multiply
    8,383.37x = 12,575.96 × 3,117.76
  4. Step 4: Simplify right side
    8,383.37x = 39,208,778.02
  5. Step 5: Solve for x
    x = 39,208,778.02/8,383.37
  6. Step 6: Final answer
    x = 4,676.97

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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.