Home / 8,761.43-12,091.79-4,881.23

Finding the Fourth Proportional to 8,761.43, 12,091.79 and 4,881.23

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Solution

The fourth proportional to 8,761.43, 12,091.79 and 4,881.23 is: 6,736.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,761.43 : 12,091.79 = 4,881.23 : x
  2. Step 2: Convert to fraction form
    8,761.43/12,091.79 = 4,881.23/x
  3. Step 3: Cross multiply
    8,761.43x = 12,091.79 × 4,881.23
  4. Step 4: Simplify right side
    8,761.43x = 59,022,723.24
  5. Step 5: Solve for x
    x = 59,022,723.24/8,761.43
  6. Step 6: Final answer
    x = 6,736.66

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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.