Home / 8,360.00-12,538.40-4,198.89

Finding the Fourth Proportional to 8,360.00, 12,538.40 and 4,198.89

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Solution

The fourth proportional to 8,360.00, 12,538.40 and 4,198.89 is: 6,297.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,360.00 : 12,538.40 = 4,198.89 : x
  2. Step 2: Convert to fraction form
    8,360.00/12,538.40 = 4,198.89/x
  3. Step 3: Cross multiply
    8,360.00x = 12,538.40 × 4,198.89
  4. Step 4: Simplify right side
    8,360.00x = 52,647,388.40
  5. Step 5: Solve for x
    x = 52,647,388.40/8,360.00
  6. Step 6: Final answer
    x = 6,297.54

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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.