Home / 7,992.20-11,032.61-5,007.39

Finding the Fourth Proportional to 7,992.20, 11,032.61 and 5,007.39

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Solution

The fourth proportional to 7,992.20, 11,032.61 and 5,007.39 is: 6,912.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,992.20 : 11,032.61 = 5,007.39 : x
  2. Step 2: Convert to fraction form
    7,992.20/11,032.61 = 5,007.39/x
  3. Step 3: Cross multiply
    7,992.20x = 11,032.61 × 5,007.39
  4. Step 4: Simplify right side
    7,992.20x = 55,244,555.95
  5. Step 5: Solve for x
    x = 55,244,555.95/7,992.20
  6. Step 6: Final answer
    x = 6,912.31

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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.