Home / 8,207.44-11,327.57-4,671.79

Finding the Fourth Proportional to 8,207.44, 11,327.57 and 4,671.79

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Solution

The fourth proportional to 8,207.44, 11,327.57 and 4,671.79 is: 6,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,207.44 : 11,327.57 = 4,671.79 : x
  2. Step 2: Convert to fraction form
    8,207.44/11,327.57 = 4,671.79/x
  3. Step 3: Cross multiply
    8,207.44x = 11,327.57 × 4,671.79
  4. Step 4: Simplify right side
    8,207.44x = 52,920,028.25
  5. Step 5: Solve for x
    x = 52,920,028.25/8,207.44
  6. Step 6: Final answer
    x = 6,447.81

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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.