Home / 9,387.36-14,081.04-3,540.78

Finding the Fourth Proportional to 9,387.36, 14,081.04 and 3,540.78

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Solution

The fourth proportional to 9,387.36, 14,081.04 and 3,540.78 is: 5,311.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,387.36 : 14,081.04 = 3,540.78 : x
  2. Step 2: Convert to fraction form
    9,387.36/14,081.04 = 3,540.78/x
  3. Step 3: Cross multiply
    9,387.36x = 14,081.04 × 3,540.78
  4. Step 4: Simplify right side
    9,387.36x = 49,857,864.81
  5. Step 5: Solve for x
    x = 49,857,864.81/9,387.36
  6. Step 6: Final answer
    x = 5,311.17

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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.