Home / 7,990.11-11,027.07-4,633.20

Finding the Fourth Proportional to 7,990.11, 11,027.07 and 4,633.20

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Solution

The fourth proportional to 7,990.11, 11,027.07 and 4,633.20 is: 6,394.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.11 : 11,027.07 = 4,633.20 : x
  2. Step 2: Convert to fraction form
    7,990.11/11,027.07 = 4,633.20/x
  3. Step 3: Cross multiply
    7,990.11x = 11,027.07 × 4,633.20
  4. Step 4: Simplify right side
    7,990.11x = 51,090,620.72
  5. Step 5: Solve for x
    x = 51,090,620.72/7,990.11
  6. Step 6: Final answer
    x = 6,394.23

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Similar ratio
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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.