Home / 9,190.20-13,785.30-2,616.30

Finding the Fourth Proportional to 9,190.20, 13,785.30 and 2,616.30

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Solution

The fourth proportional to 9,190.20, 13,785.30 and 2,616.30 is: 3,924.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,190.20 : 13,785.30 = 2,616.30 : x
  2. Step 2: Convert to fraction form
    9,190.20/13,785.30 = 2,616.30/x
  3. Step 3: Cross multiply
    9,190.20x = 13,785.30 × 2,616.30
  4. Step 4: Simplify right side
    9,190.20x = 36,066,480.39
  5. Step 5: Solve for x
    x = 36,066,480.39/9,190.20
  6. Step 6: Final answer
    x = 3,924.45

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Similar ratio
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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.