Home / 8,310.44-12,465.57-2,764.20

Finding the Fourth Proportional to 8,310.44, 12,465.57 and 2,764.20

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Solution

The fourth proportional to 8,310.44, 12,465.57 and 2,764.20 is: 4,146.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,310.44 : 12,465.57 = 2,764.20 : x
  2. Step 2: Convert to fraction form
    8,310.44/12,465.57 = 2,764.20/x
  3. Step 3: Cross multiply
    8,310.44x = 12,465.57 × 2,764.20
  4. Step 4: Simplify right side
    8,310.44x = 34,457,328.59
  5. Step 5: Solve for x
    x = 34,457,328.59/8,310.44
  6. Step 6: Final answer
    x = 4,146.27

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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.