Home / 7,433.35-11,149.90-1,811.07

Finding the Fourth Proportional to 7,433.35, 11,149.90 and 1,811.07

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Solution

The fourth proportional to 7,433.35, 11,149.90 and 1,811.07 is: 2,716.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,433.35 : 11,149.90 = 1,811.07 : x
  2. Step 2: Convert to fraction form
    7,433.35/11,149.90 = 1,811.07/x
  3. Step 3: Cross multiply
    7,433.35x = 11,149.90 × 1,811.07
  4. Step 4: Simplify right side
    7,433.35x = 20,193,249.39
  5. Step 5: Solve for x
    x = 20,193,249.39/7,433.35
  6. Step 6: Final answer
    x = 2,716.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.