Home / 7,992.64-11,030.22-4,455.88

Finding the Fourth Proportional to 7,992.64, 11,030.22 and 4,455.88

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Solution

The fourth proportional to 7,992.64, 11,030.22 and 4,455.88 is: 6,149.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.64 : 11,030.22 = 4,455.88 : x
  2. Step 2: Convert to fraction form
    7,992.64/11,030.22 = 4,455.88/x
  3. Step 3: Cross multiply
    7,992.64x = 11,030.22 × 4,455.88
  4. Step 4: Simplify right side
    7,992.64x = 49,149,336.69
  5. Step 5: Solve for x
    x = 49,149,336.69/7,992.64
  6. Step 6: Final answer
    x = 6,149.32

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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.