Home / 9,187.39-13,781.24-2,613.75

Finding the Fourth Proportional to 9,187.39, 13,781.24 and 2,613.75

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Solution

The fourth proportional to 9,187.39, 13,781.24 and 2,613.75 is: 3,920.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.39 : 13,781.24 = 2,613.75 : x
  2. Step 2: Convert to fraction form
    9,187.39/13,781.24 = 2,613.75/x
  3. Step 3: Cross multiply
    9,187.39x = 13,781.24 × 2,613.75
  4. Step 4: Simplify right side
    9,187.39x = 36,020,716.05
  5. Step 5: Solve for x
    x = 36,020,716.05/9,187.39
  6. Step 6: Final answer
    x = 3,920.67

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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.