Home / 5,268.46-7,903.09-1,981.48

Finding the Fourth Proportional to 5,268.46, 7,903.09 and 1,981.48

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Solution

The fourth proportional to 5,268.46, 7,903.09 and 1,981.48 is: 2,972.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.46 : 7,903.09 = 1,981.48 : x
  2. Step 2: Convert to fraction form
    5,268.46/7,903.09 = 1,981.48/x
  3. Step 3: Cross multiply
    5,268.46x = 7,903.09 × 1,981.48
  4. Step 4: Simplify right side
    5,268.46x = 15,659,797.49
  5. Step 5: Solve for x
    x = 15,659,797.49/5,268.46
  6. Step 6: Final answer
    x = 2,972.37

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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.