Home / 8,171.80-12,233.40-4,883.20

Finding the Fourth Proportional to 8,171.80, 12,233.40 and 4,883.20

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Solution

The fourth proportional to 8,171.80, 12,233.40 and 4,883.20 is: 7,310.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,171.80 : 12,233.40 = 4,883.20 : x
  2. Step 2: Convert to fraction form
    8,171.80/12,233.40 = 4,883.20/x
  3. Step 3: Cross multiply
    8,171.80x = 12,233.40 × 4,883.20
  4. Step 4: Simplify right side
    8,171.80x = 59,738,138.88
  5. Step 5: Solve for x
    x = 59,738,138.88/8,171.80
  6. Step 6: Final answer
    x = 7,310.28

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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.