Home / 8,910.06-13,361.20-4,231.41

Finding the Fourth Proportional to 8,910.06, 13,361.20 and 4,231.41

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Solution

The fourth proportional to 8,910.06, 13,361.20 and 4,231.41 is: 6,345.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,910.06 : 13,361.20 = 4,231.41 : x
  2. Step 2: Convert to fraction form
    8,910.06/13,361.20 = 4,231.41/x
  3. Step 3: Cross multiply
    8,910.06x = 13,361.20 × 4,231.41
  4. Step 4: Simplify right side
    8,910.06x = 56,536,704.71
  5. Step 5: Solve for x
    x = 56,536,704.71/8,910.06
  6. Step 6: Final answer
    x = 6,345.27

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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.