Home / 7,990.66-11,027.26-4,453.49

Finding the Fourth Proportional to 7,990.66, 11,027.26 and 4,453.49

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Solution

The fourth proportional to 7,990.66, 11,027.26 and 4,453.49 is: 6,145.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,990.66 : 11,027.26 = 4,453.49 : x
  2. Step 2: Convert to fraction form
    7,990.66/11,027.26 = 4,453.49/x
  3. Step 3: Cross multiply
    7,990.66x = 11,027.26 × 4,453.49
  4. Step 4: Simplify right side
    7,990.66x = 49,109,808.57
  5. Step 5: Solve for x
    x = 49,109,808.57/7,990.66
  6. Step 6: Final answer
    x = 6,145.90

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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.