Home / 7,958.24-11,921.10-3,785.62

Finding the Fourth Proportional to 7,958.24, 11,921.10 and 3,785.62

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Solution

The fourth proportional to 7,958.24, 11,921.10 and 3,785.62 is: 5,670.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,958.24 : 11,921.10 = 3,785.62 : x
  2. Step 2: Convert to fraction form
    7,958.24/11,921.10 = 3,785.62/x
  3. Step 3: Cross multiply
    7,958.24x = 11,921.10 × 3,785.62
  4. Step 4: Simplify right side
    7,958.24x = 45,128,754.58
  5. Step 5: Solve for x
    x = 45,128,754.58/7,958.24
  6. Step 6: Final answer
    x = 5,670.70

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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.