Home / 5,578.38-8,370.36-3,945.42

Finding the Fourth Proportional to 5,578.38, 8,370.36 and 3,945.42

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Solution

The fourth proportional to 5,578.38, 8,370.36 and 3,945.42 is: 5,920.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,578.38 : 8,370.36 = 3,945.42 : x
  2. Step 2: Convert to fraction form
    5,578.38/8,370.36 = 3,945.42/x
  3. Step 3: Cross multiply
    5,578.38x = 8,370.36 × 3,945.42
  4. Step 4: Simplify right side
    5,578.38x = 33,024,585.75
  5. Step 5: Solve for x
    x = 33,024,585.75/5,578.38
  6. Step 6: Final answer
    x = 5,920.10

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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.