Home / 9,187.24-13,778.76-2,613.28

Finding the Fourth Proportional to 9,187.24, 13,778.76 and 2,613.28

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Solution

The fourth proportional to 9,187.24, 13,778.76 and 2,613.28 is: 3,919.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,187.24 : 13,778.76 = 2,613.28 : x
  2. Step 2: Convert to fraction form
    9,187.24/13,778.76 = 2,613.28/x
  3. Step 3: Cross multiply
    9,187.24x = 13,778.76 × 2,613.28
  4. Step 4: Simplify right side
    9,187.24x = 36,007,757.93
  5. Step 5: Solve for x
    x = 36,007,757.93/9,187.24
  6. Step 6: Final answer
    x = 3,919.32

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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.