Home / 7,501.27-11,251.91-1,954.60

Finding the Fourth Proportional to 7,501.27, 11,251.91 and 1,954.60

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Solution

The fourth proportional to 7,501.27, 11,251.91 and 1,954.60 is: 2,931.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,501.27 : 11,251.91 = 1,954.60 : x
  2. Step 2: Convert to fraction form
    7,501.27/11,251.91 = 1,954.60/x
  3. Step 3: Cross multiply
    7,501.27x = 11,251.91 × 1,954.60
  4. Step 4: Simplify right side
    7,501.27x = 21,992,983.29
  5. Step 5: Solve for x
    x = 21,992,983.29/7,501.27
  6. Step 6: Final answer
    x = 2,931.90

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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.