Home / 8,223.17-12,331.88-2,675.48

Finding the Fourth Proportional to 8,223.17, 12,331.88 and 2,675.48

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Solution

The fourth proportional to 8,223.17, 12,331.88 and 2,675.48 is: 4,012.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,223.17 : 12,331.88 = 2,675.48 : x
  2. Step 2: Convert to fraction form
    8,223.17/12,331.88 = 2,675.48/x
  3. Step 3: Cross multiply
    8,223.17x = 12,331.88 × 2,675.48
  4. Step 4: Simplify right side
    8,223.17x = 32,993,633.30
  5. Step 5: Solve for x
    x = 32,993,633.30/8,223.17
  6. Step 6: Final answer
    x = 4,012.28

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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.