Home / 4,958.39-7,436.79-1,447.57

Finding the Fourth Proportional to 4,958.39, 7,436.79 and 1,447.57

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Solution

The fourth proportional to 4,958.39, 7,436.79 and 1,447.57 is: 2,171.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,958.39 : 7,436.79 = 1,447.57 : x
  2. Step 2: Convert to fraction form
    4,958.39/7,436.79 = 1,447.57/x
  3. Step 3: Cross multiply
    4,958.39x = 7,436.79 × 1,447.57
  4. Step 4: Simplify right side
    4,958.39x = 10,765,274.10
  5. Step 5: Solve for x
    x = 10,765,274.10/4,958.39
  6. Step 6: Final answer
    x = 2,171.12

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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.