Home / 5,243.87-7,236.62-2,853.92

Finding the Fourth Proportional to 5,243.87, 7,236.62 and 2,853.92

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Solution

The fourth proportional to 5,243.87, 7,236.62 and 2,853.92 is: 3,938.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,243.87 : 7,236.62 = 2,853.92 : x
  2. Step 2: Convert to fraction form
    5,243.87/7,236.62 = 2,853.92/x
  3. Step 3: Cross multiply
    5,243.87x = 7,236.62 × 2,853.92
  4. Step 4: Simplify right side
    5,243.87x = 20,652,684.10
  5. Step 5: Solve for x
    x = 20,652,684.10/5,243.87
  6. Step 6: Final answer
    x = 3,938.44

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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.