Home / 5,269.27-7,273.92-3,145.54

Finding the Fourth Proportional to 5,269.27, 7,273.92 and 3,145.54

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Solution

The fourth proportional to 5,269.27, 7,273.92 and 3,145.54 is: 4,342.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,269.27 : 7,273.92 = 3,145.54 : x
  2. Step 2: Convert to fraction form
    5,269.27/7,273.92 = 3,145.54/x
  3. Step 3: Cross multiply
    5,269.27x = 7,273.92 × 3,145.54
  4. Step 4: Simplify right side
    5,269.27x = 22,880,406.32
  5. Step 5: Solve for x
    x = 22,880,406.32/5,269.27
  6. Step 6: Final answer
    x = 4,342.23

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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.