Home / 8,440.43-12,657.91-3,997.41

Finding the Fourth Proportional to 8,440.43, 12,657.91 and 3,997.41

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Solution

The fourth proportional to 8,440.43, 12,657.91 and 3,997.41 is: 5,994.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,440.43 : 12,657.91 = 3,997.41 : x
  2. Step 2: Convert to fraction form
    8,440.43/12,657.91 = 3,997.41/x
  3. Step 3: Cross multiply
    8,440.43x = 12,657.91 × 3,997.41
  4. Step 4: Simplify right side
    8,440.43x = 50,598,856.01
  5. Step 5: Solve for x
    x = 50,598,856.01/8,440.43
  6. Step 6: Final answer
    x = 5,994.82

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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.