Home / 7,182.24-9,912.60-4,199.82

Finding the Fourth Proportional to 7,182.24, 9,912.60 and 4,199.82

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Solution

The fourth proportional to 7,182.24, 9,912.60 and 4,199.82 is: 5,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,182.24 : 9,912.60 = 4,199.82 : x
  2. Step 2: Convert to fraction form
    7,182.24/9,912.60 = 4,199.82/x
  3. Step 3: Cross multiply
    7,182.24x = 9,912.60 × 4,199.82
  4. Step 4: Simplify right side
    7,182.24x = 41,631,135.73
  5. Step 5: Solve for x
    x = 41,631,135.73/7,182.24
  6. Step 6: Final answer
    x = 5,796.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.