Home / 5,268.27-7,903.26-1,981.62

Finding the Fourth Proportional to 5,268.27, 7,903.26 and 1,981.62

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Solution

The fourth proportional to 5,268.27, 7,903.26 and 1,981.62 is: 2,972.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.27 : 7,903.26 = 1,981.62 : x
  2. Step 2: Convert to fraction form
    5,268.27/7,903.26 = 1,981.62/x
  3. Step 3: Cross multiply
    5,268.27x = 7,903.26 × 1,981.62
  4. Step 4: Simplify right side
    5,268.27x = 15,661,258.08
  5. Step 5: Solve for x
    x = 15,661,258.08/5,268.27
  6. Step 6: Final answer
    x = 2,972.75

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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.