Home / 8,348.21-11,520.66-4,571.31

Finding the Fourth Proportional to 8,348.21, 11,520.66 and 4,571.31

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Solution

The fourth proportional to 8,348.21, 11,520.66 and 4,571.31 is: 6,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.21 : 11,520.66 = 4,571.31 : x
  2. Step 2: Convert to fraction form
    8,348.21/11,520.66 = 4,571.31/x
  3. Step 3: Cross multiply
    8,348.21x = 11,520.66 × 4,571.31
  4. Step 4: Simplify right side
    8,348.21x = 52,664,508.26
  5. Step 5: Solve for x
    x = 52,664,508.26/8,348.21
  6. Step 6: Final answer
    x = 6,308.48

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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.