Home / 5,268.28-7,904.70-2,150.50

Finding the Fourth Proportional to 5,268.28, 7,904.70 and 2,150.50

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Solution

The fourth proportional to 5,268.28, 7,904.70 and 2,150.50 is: 3,226.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.28 : 7,904.70 = 2,150.50 : x
  2. Step 2: Convert to fraction form
    5,268.28/7,904.70 = 2,150.50/x
  3. Step 3: Cross multiply
    5,268.28x = 7,904.70 × 2,150.50
  4. Step 4: Simplify right side
    5,268.28x = 16,999,057.35
  5. Step 5: Solve for x
    x = 16,999,057.35/5,268.28
  6. Step 6: Final answer
    x = 3,226.68

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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.