Home / 8,201.12-12,279.84-4,297.36

Finding the Fourth Proportional to 8,201.12, 12,279.84 and 4,297.36

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Solution

The fourth proportional to 8,201.12, 12,279.84 and 4,297.36 is: 6,434.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,201.12 : 12,279.84 = 4,297.36 : x
  2. Step 2: Convert to fraction form
    8,201.12/12,279.84 = 4,297.36/x
  3. Step 3: Cross multiply
    8,201.12x = 12,279.84 × 4,297.36
  4. Step 4: Simplify right side
    8,201.12x = 52,770,893.22
  5. Step 5: Solve for x
    x = 52,770,893.22/8,201.12
  6. Step 6: Final answer
    x = 6,434.60

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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.