Home / 5,399.38-8,095.61-2,278.54

Finding the Fourth Proportional to 5,399.38, 8,095.61 and 2,278.54

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Solution

The fourth proportional to 5,399.38, 8,095.61 and 2,278.54 is: 3,416.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,399.38 : 8,095.61 = 2,278.54 : x
  2. Step 2: Convert to fraction form
    5,399.38/8,095.61 = 2,278.54/x
  3. Step 3: Cross multiply
    5,399.38x = 8,095.61 × 2,278.54
  4. Step 4: Simplify right side
    5,399.38x = 18,446,119.34
  5. Step 5: Solve for x
    x = 18,446,119.34/5,399.38
  6. Step 6: Final answer
    x = 3,416.34

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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.