Home / 5,268.45-7,270.27-2,878.44

Finding the Fourth Proportional to 5,268.45, 7,270.27 and 2,878.44

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Solution

The fourth proportional to 5,268.45, 7,270.27 and 2,878.44 is: 3,972.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,268.45 : 7,270.27 = 2,878.44 : x
  2. Step 2: Convert to fraction form
    5,268.45/7,270.27 = 2,878.44/x
  3. Step 3: Cross multiply
    5,268.45x = 7,270.27 × 2,878.44
  4. Step 4: Simplify right side
    5,268.45x = 20,927,035.98
  5. Step 5: Solve for x
    x = 20,927,035.98/5,268.45
  6. Step 6: Final answer
    x = 3,972.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.