Home / 8,415.26-12,622.43-2,571.41

Finding the Fourth Proportional to 8,415.26, 12,622.43 and 2,571.41

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Solution

The fourth proportional to 8,415.26, 12,622.43 and 2,571.41 is: 3,856.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,415.26 : 12,622.43 = 2,571.41 : x
  2. Step 2: Convert to fraction form
    8,415.26/12,622.43 = 2,571.41/x
  3. Step 3: Cross multiply
    8,415.26x = 12,622.43 × 2,571.41
  4. Step 4: Simplify right side
    8,415.26x = 32,457,366.76
  5. Step 5: Solve for x
    x = 32,457,366.76/8,415.26
  6. Step 6: Final answer
    x = 3,856.97

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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.