Home / 7,791.72-11,705.22-4,512.84

Finding the Fourth Proportional to 7,791.72, 11,705.22 and 4,512.84

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Solution

The fourth proportional to 7,791.72, 11,705.22 and 4,512.84 is: 6,779.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,791.72 : 11,705.22 = 4,512.84 : x
  2. Step 2: Convert to fraction form
    7,791.72/11,705.22 = 4,512.84/x
  3. Step 3: Cross multiply
    7,791.72x = 11,705.22 × 4,512.84
  4. Step 4: Simplify right side
    7,791.72x = 52,823,785.02
  5. Step 5: Solve for x
    x = 52,823,785.02/7,791.72
  6. Step 6: Final answer
    x = 6,779.48

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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.