Home / 7,992.08-11,028.54-4,455.20

Finding the Fourth Proportional to 7,992.08, 11,028.54 and 4,455.20

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Solution

The fourth proportional to 7,992.08, 11,028.54 and 4,455.20 is: 6,147.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.08 : 11,028.54 = 4,455.20 : x
  2. Step 2: Convert to fraction form
    7,992.08/11,028.54 = 4,455.20/x
  3. Step 3: Cross multiply
    7,992.08x = 11,028.54 × 4,455.20
  4. Step 4: Simplify right side
    7,992.08x = 49,134,351.41
  5. Step 5: Solve for x
    x = 49,134,351.41/7,992.08
  6. Step 6: Final answer
    x = 6,147.88

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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.