Home / 8,348.26-11,520.51-4,571.40

Finding the Fourth Proportional to 8,348.26, 11,520.51 and 4,571.40

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Solution

The fourth proportional to 8,348.26, 11,520.51 and 4,571.40 is: 6,308.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,348.26 : 11,520.51 = 4,571.40 : x
  2. Step 2: Convert to fraction form
    8,348.26/11,520.51 = 4,571.40/x
  3. Step 3: Cross multiply
    8,348.26x = 11,520.51 × 4,571.40
  4. Step 4: Simplify right side
    8,348.26x = 52,664,859.41
  5. Step 5: Solve for x
    x = 52,664,859.41/8,348.26
  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.