Home / 8,728.43-13,086.05-4,348.98

Finding the Fourth Proportional to 8,728.43, 13,086.05 and 4,348.98

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Solution

The fourth proportional to 8,728.43, 13,086.05 and 4,348.98 is: 6,520.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,728.43 : 13,086.05 = 4,348.98 : x
  2. Step 2: Convert to fraction form
    8,728.43/13,086.05 = 4,348.98/x
  3. Step 3: Cross multiply
    8,728.43x = 13,086.05 × 4,348.98
  4. Step 4: Simplify right side
    8,728.43x = 56,910,947.98
  5. Step 5: Solve for x
    x = 56,910,947.98/8,728.43
  6. Step 6: Final answer
    x = 6,520.19

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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.