Home / 7,899.53-11,840.79-4,198.04

Finding the Fourth Proportional to 7,899.53, 11,840.79 and 4,198.04

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Solution

The fourth proportional to 7,899.53, 11,840.79 and 4,198.04 is: 6,292.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,899.53 : 11,840.79 = 4,198.04 : x
  2. Step 2: Convert to fraction form
    7,899.53/11,840.79 = 4,198.04/x
  3. Step 3: Cross multiply
    7,899.53x = 11,840.79 × 4,198.04
  4. Step 4: Simplify right side
    7,899.53x = 49,708,050.85
  5. Step 5: Solve for x
    x = 49,708,050.85/7,899.53
  6. Step 6: Final answer
    x = 6,292.53

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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.